Leadership Team - Brightstone Therapy
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Brightstone Therapy is the leading provider of ABA Therapy in Florida and Georgia delivering services with the highest standards of excellence.

Our Leadership Team

Chief Operating Officer and BCBA

Brittani Argott brings 19 years of experience in Applied Behavior Analysis (ABA) to her role as Chief Operating Officer and BCBA at Brightstone Therapy. She holds a Master’s in Special Education with a concentration in ABA from Caldwell University.

A dedicated wife and mother of three, Brittani enjoys an active lifestyle that includes Fit Body Boot Camp, beach outings, and spending quality time with her kids at various sports fields.

Brittani’s favorite part of working in ABA is the profound difference it makes in the lives of children and their families. She finds immense joy in witnessing children succeed and graduate, moving on to the next steps in their journeys. This impact is the driving force behind her passion for the field and her commitment to making a positive change.

What she loves most about working at Brightstone Therapy is the incredible team atmosphere. Brittani values the collaborative spirit and mutual support among colleagues, which enhances both the work environment and the impact they have on their clients.

Vice President of Operations and BCBA

With a decade of experience in Applied Behavior Analysis (ABA), Kelli Ammon serves as the Vice President of Operations and BCBA at Brightstone Therapy. She holds dual Master’s degrees: one in ABA from Ball State University and another in Business Administration from Louisiana State University.

Kelli is married and has one stepdaughter, and shares her home with two beloved pets: Jasper, a cat who has proudly earned the title of "Employee of the Month" at Brightstone, and Carlton, a playful French Bulldog.

An avid traveler and national park enthusiast, Kelli also finds joy in fitness, participating in CrossFit and competing in powerlifting competitions.

As a BCBA, Kelli’s favorite part of working in ABA is teaching functional communication. She is passionate about the significant impact this skill has on her clients, empowering them to express their needs and connect with others. In her operations role, she enjoys teaching employees how to streamline workflows, making processes more seamless and efficient for everyone involved.

What she loves most about Brightstone Therapy is the exceptional leadership team that provides unwavering support and mentorship. Kelli appreciates being part of an organization that values its employees as much as it does its clients, making her work feel truly meaningful.

Vice President of Clinical services and BCBA

Jessica Nolan has dedicated over a decade to the field of Applied Behavior Analysis (ABA) and currently serves as the Vice President of Clinical Services at Brightstone Therapy. Jessica holds a Masters Degree in Psychology with an emphasis in ABA from Kaplan University and became a Board Certified Behavior Analyst in 2017. Outside of her professional role, Jessica is a proud wife and mother. She enjoys cooking and spending quality time with her family. Jessica has extensive experience designing, delivering, and overseeing a wide range of service delivery models across home, clinic, community, school, childcare, and telehealth settings. As a dedicated BCBA and leader, she is committed to providing high-quality clinical care, fostering meaningful outcomes, and ensuring client-centered, evidence-based practices. Jessica is passionate about supporting individuals and families while empowering clinical teams to deliver effective, compassionate services. Jessica values the collaborative culture at Brightstone Therapy, where teamwork and mutual support are central to the organization’s mission. She appreciates being part of a team that is dedicated to making a meaningful difference in the lives of clients and their families.

Florida

Clinical Director for Lake Gray Clinic & BCBA

Victoria Martensen is a Clinical Supervisor at Brightstone Therapy, bringing four years of experience in Applied Behavior Analysis (ABA) to her role. She holds a Master’s degree in Special Education from the University of Arizona.

As a wife & mother of three energetic boys Victoria balances her professional life with family activities. She enjoys baking and going on walks with her kids, creating cherished moments together.

Victoria's favorite aspect of ABA is helping children build confidence, particularly through daily living skills. She finds great joy in empowering her clients to become more self-assured.

What she loves most about working for Brightstone Therapy is the strong sense of teamwork and support among her fellow BCBAs, which enhances both her professional growth and the success of their clients.

Clinical Director for Southpoint clinic & BCBA

Tavy Matthews is a Board Certified Behavior Analyst (BCBA) with over 11 years of experience in Applied Behavior Analysis (ABA). She earned her Master’s in Applied Behavior Analysis from Florida Institute of Technology and has dedicated her career to helping clients and their families achieve meaningful, lasting progress.

“My favorite part of working in ABA is watching parents realize that their child can achieve more in life than they expected, while also enhancing the quality of life not only for the client but for the entire family unit,” Tavy shares.

Outside of work, Tavy enjoys trying out new restaurants and exploring new culinary experiences. She values being part of Brightstone because, “I love being part of a team where collaboration thrives and every voice matters. At Brightstone, I feel truly valued and supported, which makes each day both meaningful and rewarding.”

Clinical Supervisor

Jessie Benton is a Board Certified Behavior Analyst (BCBA) and Clinical Supervisor at Brightstone Therapy, bringing a decade of experience in the field of Applied Behavior Analysis (ABA). She holds a Bachelor’s degree in Psychology with an emphasis in ABA from Purdue University Global and earned her Master’s in Special Education with a focus on ABA from the University of West Florida.

As a wonderful wife and mother of two grown children, Jessie enjoys a fulfilling family life. She shares her home with a wonderful husband and beloved dog, who adds joy to her everyday routine. In her free time, she loves reading, cooking, and spending time at the beach.

One of Jessie’s favorite aspects of working in ABA is the opportunity to support clients and their families. She finds it incredibly rewarding to help clients develop functional communication skills, enabling them to independently express their wants and needs.

What Jessie loves most about working at Brightstone Therapy is the organization’s client-focused approach. She appreciates that each client receives individualized support tailored to their unique needs and values the amazing staff members who consistently prioritize the well-being of their clients.

Remote Intake Coordinator

With over three years of experience in Applied Behavior Analysis (ABA), I am passionate about supporting families as they begin their journey in ABA. I hold a Bachelor of Arts degree with a concentration in Vocal Performance from Augusta State University, and while I don’t have children of my own, I proudly "claim" all of my friends' kids as family.

As the Intake Coordinator at Brightstone, I find it incredibly rewarding to be the first point of contact for families. I love being able to share real stories of transformation and growth, helping to reassure and encourage parents who may feel overwhelmed as they navigate the process. I’m committed to walking alongside them every step of the way.

Outside of work, I enjoy reading, crafting, and cheering on UGA Football and the Atlanta Braves. I’m also a proud dog mom to a 10-year-old Chihuahua named Hershel. I feel truly lucky to be part of such an amazing team at Brightstone—they keep me laughing and always on my toes!

Operations Director | Florida

With three years of experience in Applied Behavior Analysis (ABA), I currently serve as the Clinic Coordinator at Brightstone’s St. Augustine location. I’m also pursuing a Bachelor’s degree in Psychology to deepen my understanding of behavior and further support the families we serve.

One of my favorite parts of working in ABA is witnessing our clients learn and grow—especially the small skills that gradually build into meaningful progress. It’s incredible to see the impact those skills can have in the clinic, at home, and throughout the community.

Outside of work, I enjoy reading, scrapbooking, and spending relaxing days out on the water. I’m also a proud dog mom to two lovable Black Labs. What I love most about Brightstone is our team’s dedication to collaboration. Everyone works together with a shared goal: helping our clients gain independence and thrive—and that’s a truly motivating environment to be part of.

Board Certified Behavior Analyst | Southpoint Clinic

Kristen Evans is a Board Certified Behavior Analyst (BCBA) with extensive experience in Applied Behavior Analysis. She began her ABA journey in a graduate program and worked in school settings from 2005 to 2007, becoming a BCBA in 2009. Kristen earned her Master’s in Applied Behavior Analysis from Teachers College, Columbia University.

Kristen is passionate about developing individualized tools and strategies that support each client’s unique needs. She enjoys the continuous learning and growth that come with helping clients make meaningful progress, recognizing that in ABA, there’s always room to improve and adapt.

Outside of work, Kristen enjoys spending time with her two children, exploring new places on weekend adventures, visiting Universal Orlando and Disney World, and participating in 5K runs. She also shares her home with two cats.

Kristen loves being part of the Brightstone community, where collaboration and shared expertise among peers lead to the best possible outcomes for clients and their families.

Occupational Therapist

Rhiannon Sager is an Occupational Therapist originally from Buffalo, NY. She earned her Bachelor’s degree in Sports Medicine from Mercyhurst University before completing her Master’s degree in Occupational Therapy at Nova Southeastern University. Rhiannon brings four years of experience as an occupational therapist, with a diverse background in outpatient pediatrics, school-based therapy, and lead occupational therapy roles.

Rhiannon is passionate about helping children build independence, develop meaningful skills, and reach their full potential. She believes in creating engaging, individualized therapy experiences that meet each child where they are while supporting their growth and success across everyday environments.

Georgia

Clinical Director of Georgia & BCBA

Megan Hall, M.S., BCBA is a Board Certified Behavior Analyst who travels to Georgia to support clients while residing in Green Cove Springs, Florida. With nine years of experience in Applied Behavior Analysis, Megan brings a compassionate, child-first approach to supporting children and families.

Megan holds a Master of Science in Psychology with a concentration in Applied Behavior Analysis from Purdue Global. She is passionate about building meaningful, lasting connections—not only with clients, but also with families, RBTs, and supervisees. What drives her work is the opportunity to be part of someone’s story, not just their treatment plan.

Outside of work, Megan enjoys gardening, hiking, kayaking, and spending quality time with her family. She is a proud parent to one daughter and shares her home with three dogs.

At Brightstone, Megan values the organization’s commitment to putting children first and fostering collaborative, supportive environments where both clients and clinicians can thrive.

Operations Director | Georgia

With three years of experience in Applied Behavior Analysis (ABA), I currently serve as the Clinic Coordinator at Brightstone’s Lake Gray location. I hold a Bachelor of Arts in Criminal Justice from the University of West Florida and am passionate about helping children and families grow through meaningful, life-changing support.

One of the most rewarding parts of my work is witnessing those incredible "click" moments—when a child says “I love you” for the first time, or learns to communicate in a new way. Moments like these aren’t just milestones for the child—they’re transformational for the whole family.

I’m proud of the professional growth and skills I’ve gained throughout my time in ABA, and I’m especially grateful to be part of a team that always puts client progress and well-being first.

Outside of work, I enjoy reading, spending time at the beach, and hanging out with my corgi, Floyd, and my cat, Finn.

Board Certified Behavior Analyst | Athens, GA

Brooke Rouse is a dedicated Board Certified Behavior Analyst based in Athens, Georgia, with four years of experience in the field of Applied Behavior Analysis. She earned her Master of Science in Applied Behavior Analysis from the University of Georgia and is passionate about helping children build meaningful, lifelong skills.

Brooke specializes in teaching daily living skills that promote independence, as well as functional communication skills that reduce challenging behaviors. She finds it incredibly rewarding to see children gain the ability to express themselves and engage more fully with the world around them.

Outside of her professional work, Brooke enjoys cooking and spending quality time with her family.

Brooke loves being part of the Brightstone team, where collaboration and support are at the heart of everything they do. She values working alongside a group of professionals who are deeply committed not only to the success of their clients and families, but also to uplifting one another.

Board Certified Behavior Analyst | Savannah, GA

Eryn Walsh is a Board Certified Behavior Analyst (BCBA) with seven years of experience in Applied Behavior Analysis. She earned her Bachelor’s in Psychology from Georgia Southern University and her Master’s in Applied Behavior Analysis from Ball State University.

Eryn is passionate about supporting children in developing communication and adaptive skills. She finds joy in helping kids express their wants and needs, interact with others, and master practical life skills—sometimes in ways that aren’t immediately obvious, such as cutting hair or nails, or learning to plan and prioritize tasks.

Outside of work, Eryn enjoys spending time with her two-year-old daughter and her two Labradors, Moose and Maisie. She also loves reading and staying active through her fitness routines.

Eryn values the collaborative and supportive environment at Brightstone, where she can share ideas, ask questions, and receive meaningful feedback to help both her and the families she works with thrive.

Board Certified Behavior Analyst | Atlanta, GA

Jeff Jean-Baptiste is a Board Certified Behavior Analyst (BCBA) and Licensed Behavior Analyst (LBA) in the state of Georgia. He holds a Master of Education with a foundation in Applied Behavior Analysis from the University of Cincinnati. Jeff brings experience providing ABA services across clinic, daycare, and community settings, collaborating closely with families and interdisciplinary teams to support meaningful growth and development.

Jeff is passionate about helping clients build confidence, increase independence, and develop the skills needed to successfully navigate their everyday lives and communities. He is committed to providing compassionate, individualized, and evidence-based care that empowers clients and their families. Through a collaborative approach, Jeff strives to create lasting, positive outcomes and help each client reach their full potential.

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