Your Instructor

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Walnut Creek Regional Wellness Alliance

The Walnut Creek Regional Wellness Alliance was established in association with the Walnut Creek Chamber of Commerce to bring together wellness professionals, local businesses, and community leaders with a shared interest in supporting healthier, more connected communities.


As a co-founder, I helped establish a collaborative network designed to encourage professional relationships, share knowledge and resources, and create opportunities for education, connection, and community engagement.


Why does this matter? Because wellness is about more than individual habits. It’s also about the people, resources, and support systems surrounding us. This experience strengthened my commitment to connecting people with opportunities, encouraging collaboration, and helping individuals and communities grow together.

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Leadership Contra Costa | Leadership Development Program Graduate

Leadership Contra Costa is a regional leadership development program presented by the Walnut Creek Chamber of Commerce. The program introduces participants to the organizations, institutions, industries, and community issues that influence life and business throughout Contra Costa County.


Through firsthand learning experiences, conversations with community leaders, and exposure to different sectors, participants gain a broader understanding of how local government, education, business, nonprofit organizations, and community services work together.


Why does this matter? Effective leadership begins with understanding people, recognizing different perspectives, and seeing how our decisions affect the communities around us. My experience reinforced the importance of curiosity, collaboration, relationship-building, and finding opportunities to make a meaningful contribution.

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Proudly Supporting

Homeschool Familes

The Activation Effect® is an approved homeschool vendor with multiple charter schools, offering live virtual fitness, wellness education, and youth enrichment programs that encourage movement, healthy habits, confidence, self-leadership, and everyday life skills.


Our homeschool charter school partnerships include:


  1. Visions In Education
  2. Vista Oaks Charter School
  3. Horizon Charter School
  4. Pacific Charter Institute (PCI)
  5. Heritage Peak Charter School
  6. Rio Valley Charter School
  7. Sutter Peak Charter Academy
  8. Valley View Charter Prep
  9. New Pacific School
  10. Granite Peak Charter School
  11. Cottonwood Charter School


Professional Training:

Programs are led by Senya Borrelli, a NASM Certified Nutrition Coach and Behavior Change Specialist, with additional training in fitness and movement through NASM & AFAA.


Don’t See Your School Listed?

We would love to connect! If your student attends a homeschool charter school that The Activation Effect® is not currently contracted with, we’re happy to explore the vendor application process to help make our programs available to your family.


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The Journey Behind The Activation Effect®



From Music to Movement: Where It All Began



For nearly 27 years, I had the privilege of teaching piano and voice to students of all ages in my studio Piano-n-Voice. What began as a love for music became something much bigger than teaching notes, rhythms, and songs. Before becoming an educator, I was a performer myself, singing in bands and experiencing firsthand what it takes to step onto a stage. I understood that performing wasn't just about knowing the music. It was about preparation, confidence, focus, and learning how to manage the thoughts and emotions that come with putting yourself in front of an audience.


As a teacher, I began recognizing those same challenges in my students. Learning to play the piano requires concentration, coordination, memory, patience, and the ability to break complicated pieces into manageable steps. Singing and performing bring another layer of challenges, including self-confidence, stage presence, and learning to trust yourself when all eyes are on you. We weren't just learning music. We were developing life skills.


Over the years, our lessons naturally expanded into conversations about preparation, goal setting, organization, self-talk, and the everyday habits that helped students feel ready to learn and perform. And one subject kept finding its way into those conversations: nutrition. I began noticing how differently students sometimes showed up for lessons. Some were focused and ready to learn, while others seemed restless, distracted, or simply tired. Rather than assuming a student wasn't interested or trying hard enough, I became curious.


Had they eaten breakfast? Did they have lunch before coming to class? How were they feeling that day?


I eventually learned that some of my younger students were arriving hungry because their parents or grandparents planned to take them out for a special meal after their lesson. It was a wonderful tradition, but it also helped me recognize how easily everyday routines could influence a student's learning experience. I started paying closer attention to the connection between food, daily habits, and how students felt during their lessons. We talked about eating before class, staying hydrated, getting enough rest, and preparing for the things that mattered to them.


At the time, I wasn't a certified nutrition coach. I was simply a teacher who cared deeply about helping her students succeed. And the more I observed, the more curious I became. I realized that helping someone learn a new skill involves so much more than teaching the skill itself. It involves understanding the whole person: their confidence, their habits, their environment, their mindset, and the little choices they make throughout the day.


Looking back, I can see that the foundation of The Activation Effect® was already taking shape, long before it had a name.


What started in a music studio eventually grew into a much bigger passion: helping people recognize what they're capable of and discover how small, intentional actions can create meaningful change in their lives.





When My Own Health Became Part of the Story



For years, I had been encouraging my students to think about the everyday habits that supported their learning, concentration, and performance. But as I moved into my late 40s, I began taking a closer look at my own life. Like so many women balancing careers, family responsibilities, and the demands of everyday life, I had spent years caring for others, raising my children, and building my teaching business. And somewhere along the way, I realized that my own health wasn't where I wanted it to be.


I was beginning to notice some health concerns that made me pay closer attention.

It was time to ask myself some of the same questions I had been asking my students for years. How was I fueling my body? Was I moving enough throughout the day? What habits had become part of my routine? And were those habits supporting the way I wanted to feel and live?


I began looking at my lifestyle with a new level of curiosity. Not from a place of criticism, but from a desire to better understand what I could do differently. I realized that knowing the importance of healthy habits and consistently practicing them are two very different things. And I also recognized how easy it can be to put our own needs further down the list when we're busy taking care of everyone and everything else.


I had spent decades helping others develop their abilities. Now it was time to become just as intentional about developing the habits that supported my own well-being.


What began as a personal desire to better understand my health grew into a much deeper interest in nutrition, lifestyle habits, and the role our everyday choices play in our lives. I wanted to understand more than what we should eat. I wanted to understand why nutrition matters, how our needs change through different stages of life, and how to make practical choices that fit into real schedules and responsibilities.


That curiosity eventually led me to pursue my certification as a NASM Certified Nutrition Coach. And as I continued learning, I discovered something that brought me right back to my years in the music studio. Information alone doesn't always create change.

We can understand what we want to do, recognize why it matters, and still struggle to follow through. That realization opened the door to another area of study that would become central to my work.


Behavior change.


Because learning what supports our goals is important. Understanding how to turn that knowledge into everyday action is where another part of the journey begins.





Understanding Behavior Change: Learning to Trust Ourselves



One of the most valuable lessons I learned during my years of teaching was that wanting to accomplish something and believing we can accomplish it are two very different things. I remember working with students who would occasionally tell me they wanted to quit piano. Rather than immediately accepting that they had lost interest, I would get curious.


What had changed? What was becoming difficult? What were they feeling when they sat down to practice?


Sometimes, through our conversations, we discovered that they didn't actually want to stop playing piano. They were afraid they wouldn't be able to learn the next piece of music. They could see what was coming, and it felt overwhelming. What looked like a lack of motivation was sometimes a lack of confidence. So we would break the music into smaller sections, practice one piece at a time, and celebrate the progress they were making along the way. And something wonderful would happen. As they began accomplishing what once seemed impossible, their confidence grew. They started trusting themselves. The very thing they wanted to walk away from became something they were excited to continue. Those experiences sparked a deeper curiosity about human behavior.


Why do we sometimes pull away from the very things we say we want?


Why do we procrastinate? Why does change sometimes feel uncomfortable, even when we're excited about the possibilities? Why do we occasionally question our abilities just as we're beginning to make progress? I came to understand that behavior change involves much more than making a decision and finding the discipline to follow through.

It can involve our beliefs, expectations, environment, habits, emotions, and even the way we see ourselves.


Sometimes the challenge isn't simply achieving a goal. It's becoming comfortable with the person we're growing into.


There can be an identity shift that comes with change. We may need to develop new routines, new skills, and a new level of trust in ourselves. And when we try to change too much too quickly, or set expectations that don't support where we are today, it can become difficult to maintain our progress. That's why I became so interested in studying behavior change and eventually pursued my certification as a NASM Behavior Change Specialist. I wanted to better understand how to support people through the process of personal growth, not just encourage them to reach the finish line.


Because meaningful change isn't always about pushing harder.


Sometimes it's about asking better questions, creating realistic goals, recognizing the obstacles in front of us, and learning how to move forward one manageable step at a time.


Growth becomes much more sustainable when we learn to work with ourselves rather than constantly fighting against ourselves.


And perhaps one of the most rewarding parts of that process is discovering that we can trust ourselves to keep learning, adapting, evolving and trying again.





Movement, Strength, and the Next Chapter of My Life



Movement has always been part of my life. As a young person, I loved going to the gym, taking walks, and feeling strong and capable in my own body. I enjoyed being active, and like many people, I wanted to look fit, feel confident, and enjoy the way I looked in my clothes. I also grew up with a rebounder in our family room. My dad always had one, and it wasn't unusual for someone to be standing on it or gently bouncing while we were having a conversation. It was simply part of our everyday life.


I've carried that love of movement with me through the years. I still enjoy my morning walks, being outdoors, and spending time on my rebounder. But as I approach my 55th birthday, my perspective on fitness has evolved.


One of my most important personal goals is to build a body I feel comfortable aging in.


I want to be stronger. I want to maintain my mobility, flexibility, balance, and coordination. I want to remain active, capable, and independent for as many years as possible. I want to carry my own groceries, work in the yard, enjoy activities with my grandchildren, and continue doing the everyday things that make life fulfilling.

And yes, I still want to feel good in my clothes and confident in my appearance!

But today, strength means something more to me. It's about having the physical ability to participate in the life I want to live.


As I began expanding my work in nutrition, healthy habits, and behavior change, I recognized how important movement was for the people I wanted to serve. But I also recognized something else.


This wasn't simply a service I wanted to offer. It was a journey I wanted to be on myself.


I wanted to develop a fitness experience that brought together the things I value: strength, mobility, balance, coordination, flexibility, consistency, and enjoyment. An approach that could evolve with us through different stages of life. That desire led me to expand my education in fitness and movement, including specialized training in JumpSport® Bounce & Barre. And as I began bringing those experiences together, I realized I had something else to contribute from my years as a piano and voice educator.





Bringing My Experience as a Voice Teacher Into Movement



For nearly 27 years, I taught students how to use their voices, develop coordination, understand their bodies, and practice skills that required both physical awareness and concentration. As a voice teacher and former performer, I spent years teaching the importance of breathing, posture, and learning how the body participates in producing sound.


Singing involves much more than the vocal cords.


It requires an understanding of breath control, diaphragmatic breathing, muscular coordination, posture, and the way we use and release tension throughout the body.

We also explored awareness of the muscles around the neck, jaw, and face, and how unnecessary tension can affect the singing experience. These are lessons I've carried with me beyond the music studio.


As I continued studying fitness and movement, I became excited about incorporating appropriate breathing techniques, posture awareness, and mindful coordination into my approach. Not simply moving through exercises, but learning to pay attention to how we're moving. How we're breathing. How we're positioning our bodies. And how we can gradually develop greater awareness, control, and confidence through practice.


My years as a musician and educator have given me a perspective that I enjoy bringing into fitness. I understand the importance of learning a skill in manageable steps, allowing time for practice, and creating an environment where people feel comfortable trying something new.


That's the experience I want to share through The Activation Effect® Signature Workout.

A movement experience inspired by my own fitness journey and shaped by decades of teaching, learning, and helping others develop new skills. Because I don't believe we ever reach an age when we're finished learning what we're capable of.





Choosing to Be an Active Ager



As I look toward this next chapter, I've become increasingly intentional about what active aging means to me. It's not about trying to stay the age I used to be. It's about embracing the age I'm becoming while continuing to develop the strength, confidence, and abilities that support the life I want.


I want to keep learning.

I want to keep moving.

I want to remain curious about what I'm capable of.


And I want to share that experience with others who are interested in doing the same.

Whether we're in our teens, our 30s, our 50s, or well beyond, we each have opportunities to develop habits and skills that support our lives. Our starting points may be different, and our goals may change over time. But the opportunity to grow remains.


For me, active aging isn't simply about adding years to life. It's about being intentional with the years we have.


And that's a journey I'm excited to continue, right alongside the people I have the privilege of teaching.





The Foundation: Building Self-Respect



Throughout my journey, one belief has continued to grow stronger.


Self-respect is something we build through the relationship we develop with ourselves.


Every time we practice a skill, honor a commitment, navigate a challenge, or choose to begin again, we have an opportunity to strengthen that relationship. We learn that we don't have to know everything before we begin.


We don't have to be perfect to make progress.


And we don't have to compare our journey to someone else's.

We can set meaningful goals, develop the habits that support them, and learn to recognize our progress along the way. Our worth isn't determined by our productivity, appearance, or accomplishments. But learning to follow through on what matters to us can deepen our sense of confidence, personal responsibility, and self-trust.


That's what I want people of all ages to experience.


For young people, it's about discovering their abilities and developing skills they can carry into adulthood. For adults, it's about continuing to grow, adapt, and pursue what matters to them. And as we age, it's about supporting our strength, mobility, confidence, and independence so we can continue participating in the lives we want to live.





A Lifelong Love of Learning and Personal Development



Another important influence in my life began long before I ever became an educator.

I grew up surrounded by conversations about personal development, leadership, and the power of our thinking. My dad loved listening to people like Jim Rohn and Tony Robbins. On family road trips, alongside our favorite music, we'd often find ourselves listening to personal development programs on cassette tapes. Yes, actual cassette tapes!


At the time, I didn't necessarily recognize how much those experiences were shaping my perspective. But the ideas stayed with me. I developed a love for reading, learning, asking questions, and exploring how people think, make decisions, overcome obstacles, and create meaningful change in their lives. And one lesson has become especially important to me over the years:


Sometimes we don't need to learn something new. We need to be reminded of what we already know.


We all experience moments when life becomes busy, challenges appear, or we lose sight of the tools that have helped us before. A conversation, a chapter in a book, or a different perspective can remind us of what we're capable of. Other times, we discover something entirely new that changes the way we approach a situation.


That's what I love about personal development.

It encourages us to remain curious.


We can learn from people who have spent years studying a subject, testing ideas, and sharing their experiences. Through books, we gain access to those lessons, often condensed into something we can explore in just a few hours.


We don't have to figure everything out on our own.


We can learn from the experiences of others, consider different perspectives, discover useful strategies, and decide what makes sense for our own lives. And the learning doesn't have to stop when we close the book. Sometimes that's when the most valuable part begins.





Why Community Became Part of The Activation Effect®



Throughout my life, I've had the opportunity to participate in communities that challenged my thinking, introduced me to new ideas, and helped me see situations from perspectives I might never have considered on my own.


Those experiences have been incredibly valuable.


I've learned that a meaningful conversation can help us make sense of something we've been struggling with, recognize an opportunity we hadn't noticed, or simply remember that we're not navigating life alone. And sometimes, being able to talk through an idea is exactly what helps us understand it more clearly.


That's why I believe so strongly in creating opportunities for people to come together around learning, conversation, and personal growth.


I wanted The Activation Effect® to offer more than fitness classes.


I wanted to create a space where the confidence, discipline, curiosity, and skills we develop could extend into our everyday lives. A place where we can learn from one another, exchange ideas, celebrate progress, and encourage each other through challenges. That vision inspired two important communities within The Activation Effect®.


The Book Club — For Adults


Our Book Club is an opportunity to explore ideas, discover new perspectives, and have meaningful conversations about personal growth, relationships, leadership, habits, and everyday life. It's not simply about finishing a book. It's about what we discover along the way, the conversations those ideas inspire, and how we might apply what we've learned to our own lives.


The Activation Lab — For Youth


The Activation Lab grew from many of the same principles I practiced throughout my years as a music educator. Young people need opportunities to ask questions, express ideas, build confidence, practice communication, and develop the skills that help them navigate everyday challenges. Through guided conversations and interactive learning, the Activation Lab creates space to explore topics such as goal setting, friendships, decision-making, personal responsibility, and self-leadership.


Both communities share the same underlying belief.

We grow through learning, experience, conversation, and connection.

And when we share what we've learned, we have the opportunity to help someone else grow, too.





The Activation Effect: How It All Comes Together



When I look back over my journey, I can see how everything connects. My years teaching music taught me the importance of patience, preparation, confidence, and breaking big goals into manageable steps.


My interest in nutrition helped me appreciate the everyday choices and habits that support how we feel and function. Studying behavior change gave me a deeper understanding of why we sometimes struggle to follow through, even when something matters to us, and how we can better support ourselves through the process of growth.


Fitness and movement became another way to help people develop their abilities, enjoy being active, and build confidence in what they can do. And community brought something equally important into the picture: connection, encouragement, fresh perspectives, and the opportunity to learn together.


What I discovered is that positive change in one area of life can create momentum in another.


We might begin with movement and discover that we're becoming more consistent in other parts of our day.


We might begin with nutrition and become more curious about our everyday habits.


We might read a book that changes our perspective, inspiring us to approach a goal differently.


Or we might have a conversation that reminds us of something we needed to hear at just the right moment.


One action leads to another.

One discovery creates another opportunity.

And as we continue learning and growing, those changes can extend beyond ourselves into our families, relationships, workplaces, and communities.


That's the ripple effect I wanted to create.

And that's how The Activation Effect® came to life.

Not as a program built around changing everything at once, but as an opportunity to begin where we are.


To choose one meaningful action.

To develop the confidence to keep going.

To remain curious about what else might be possible.

And to recognize that as we continue growing, we can encourage others to grow alongside us.


Because personal growth isn't a destination we reach and then finish.

It's an ongoing evolution.


And we all deserve the opportunity to keep discovering what we're capable of.


The Activation Effect®

Movement. Nutrition. Mindset. Community.

Start where you are. Keep growing. Create a ripple effect.


Small actions. Powerful momentum.


Love, Senya Borrelli

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“To be yourself in a world that is constantly trying to make you something else is the greatest accomplishment.”

— Ralph Waldo Emerson

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Program Disclosure:

The Activation Effect® programs, classes, coaching, and discussions are educational in nature and are designed to support general fitness, nutrition education, healthy habits, personal growth, and overall wellness. The Activation Effect® is not a licensed school, childcare provider, counseling, medical, mental health, or therapeutic service. Information provided is not intended to diagnose, treat, cure, prevent, or mitigate any disease or medical condition and is not a substitute for individualized medical advice or care from a qualified healthcare professional. Individual experiences and results may vary.


Fitness Participation & Movement Modifications:

Participation in fitness programs and physical activities involves inherent risks, including the possibility of injury. The Activation Effect® offers movement modifications and alternative exercises when appropriate to accommodate different fitness levels, abilities, and individual needs. Participants are encouraged to exercise within their personal capabilities, use appropriate equipment and a suitable exercise space, and consult a qualified healthcare professional when appropriate. Not all activities are suitable for everyone, and modifications do not eliminate all risks.


Parent & Guardian Disclosure:

For participants under 18, a parent or legal guardian is required to attend The Activation Effect® Complimentary Introductory Session before the youth participant begins the program. After the introductory session, parents and legal guardians are always welcome to be present during classes and program sessions but are not required to participate or remain present. The decision regarding a parent or legal guardian’s presence and supervision during sessions is at the discretion and responsibility of the parent or legal guardian.

The Activation Effect®