ABA Therapists
Morgan Colombo, BA, Lead ABA Therapist
Morgan graduated from Franklin Pierce University in 2019 with a Bachelor of Arts in Psychology. While attending, Morgan also minored in Public Health. Morgan started working for MR&A during the summer of 2019. Since then she has worked in public and private schools, homes, the community and in MR&A's playgroup and social skills group. Within these settings Morgan has worked closely with related fields such as Speech, OT, PT, and Special Education. She has also worked with many different clients ranging from preschool to teens.
During her free time, Morgan is the Head Coach for the Jonathan Law High School Varsity Cheerleading Team in Milford, CT. She loves coaching her athletes and helping build the program. Morgan also currently attends Southern Connecticut State University and is pursuing a MEd in School Counseling. She is very dedicated and passionate about helping children in all aspects of life whether it be teaching, coaching, or counseling and is excited to see where the future takes her.
Jocelyn Daly, BA, Lead ABA Therapist
Jocelyn is graduating from the University of New Haven in the spring of 2022 with a BA in Psychology and a Minor in Criminal Justice. She interned with MR&A for a semester and loved the experience she got from it.
Before joining the team here, she worked at a daycare in Massachusetts and that is where she discovered her passion for working with children. She is excited to be a part of this team because it combines her love of working with children and her love of psychology.
After completing her bachelor’s degree, she is planning on working towards her master’s to further her experience in the psychology field. She is looking forward to being an ABA therapist here at MR&A and learning everything she can from this experience!
Tyler Davis, BA, RBT
Tyler is graduating this summer from Southern Connecticut State University with a bachelor’s degree in Sociology. During his college years, he worked in multiple settings with children and young adults on the autism spectrum that ultimately led him down the path to becoming an ABA therapist.
In his free time, Tyler enjoys playing basketball and doing martial arts. He is also extremely passionate about working in the studio creating music
Leann Duggan, MA
Senior ABA Therapist
Leann graduated from Central CT State University with a bachelor’s degree in Elementary Education and a minor in Geography. After graduation she taught first grade and then moved on to work in the public school system in an intensive resource room for students with ASD and other special needs. This is where she was introduced to the world of ABA. In working with this wonderful population of students, she decided to direct her career in the path of ABA and enrolled in WCSU's program. Leann then graduated in May 2021 with a master’s in Applied Behavior Analysis.
Leann has also worked privately with children with ASD. In a wide variety of different environments, she enjoys experiences from shopping at a grocery store, going to birthday parties, visits to aquariums, to being an apprentice on a farm. Leann supports the students during the experience where needed but also allows them the ability to succeed independently and helps set them up for success for future dreams and goals!
In her free time, Leann loves to hike with her dog Oliver. She also has a huge passion for art. Leann loves creating art and helping her students express themselves and give them a voice through art. Leann is excited to be a part of the Michelle Ragozzine and Associates team and is eager to gain more experience in the field to one day obtain her BCBA certification.
Tracey Saxon, RBT
Tracey studied Psychology at SUNY Rockland. While there she worked as a student facilitator. Tracey plans to complete her Bachelor of Arts in Psychology and Communication at Thomas Edison State University.
Tracey trained in Mediation and had the privilege of attending many births.
Tracey has had several years of experience working with children as well as with teenagers on the spectrum in a work readiness program.
Originally from a coastal town in England UK, Tracey now resides in New England where she enjoys kayaking along the beautiful coastline here.
She is looking forward to pursuing a rewarding career as an ABA Therapist as a member of the team at MR&A.
Elizabeth Rogers, BA, Lead ABA Therapist
Elizabeth graduated in May 2023 from Western Connecticut State University with a Bachelor of Arts degree in Psychology. Throughout her college education, she took numerous courses focusing on child, adolescent, and adult development where her desire to make a positive impact in the lives of individuals was reinforced. She has always wanted to help others in any
way she can and feels that being an ABA Therapist will help her accomplish this!
In her free time, Elizabeth likes to read books, draw or paint, and spend time with those close to her, including her pets. She has always had pets growing up, mostly cats, and also feels passionate about caring for animals.
Elizabeth is very excited to be a part of the MR&A team!
Amanda King, MBA, MA, RBT
Amanda graduated from Molloy University with a bachelor’s degree in psychology, before going on to get her MBA in marketing. During her job search, she came across ABA and knew it was the perfect fit for her. She has always had a passion for helping others, especially kids. Throughout high school and college, she was involved in special education groups, which created the foundation of her passion for this field.
Currently, Amanda is working toward her masters in Applied Behavior Analysis at Southern Connecticut State University with the goal of one day becoming a BCBA.
As a retired college athlete, Amanda enjoys staying active in her free time. She also loves photography and other creative hobbies.
She is extremely excited to start her career in ABA and to be a part of the MR&A team!
Dejeana “DJ” Peoples, BS, RBT
Dejeana “DJ” graduated from Purchase College in 2021 with a Bachelor of Arts in Psychology and a minor in Sociology.
While in college, DJ was a key player on her basketball team, demonstrating strong commitment and leadership. Her passion for the sport continued after graduation as she became a youth basketball coach. In this role, she mentored young athletes, helping them develop their skills while also instilling the values of teamwork, discipline, and empowerment.
Beyond athletics, DJ made a significant contribution at STEER, where she supported students in creating effective goal plans. She guided them in setting realistic objectives, monitored their progress, and emphasized the importance of mental health and wellness. DJ fostered a supportive environment where students felt comfortable discussing their mental well-being, promoting a healthy balance in their academic, personal, and athletic pursuits.
Overall, DJ's diverse experiences as an athlete and mentor showcase her genuine dedication to helping others achieve success in all aspects of their lives. Her commitment to promoting mental wellness and her leadership in youth sports are truly inspiring.
Julia Stellato, BA
Julia graduated from Sacred Heart University in the spring of 2025 with a BA in psychology. She took courses relating to adolescent development, psychopathology, and cognitive psychology. Her passion for ABA therapy was ignited during a previous internship, a field she is eager to continue exploring. Julia also brings a wealth of experience working with children, having taught numerous swim lessons at the Fairfield YMCA in CT.
In her free time, Julia enjoys spending time with her family, friends, and her labradoodle, Cody. She is very excited to join the MR&A team and contribute to the growth and development of children.
Julia Case, BS, RBT
Julia graduated from the University of Connecticut in May 2025 with a Bachelor of Arts in Human Development and Family Sciences. Her academic background has provided her with a strong understanding of human growth, development, and family dynamics, which she is eager to apply in her career.
Julia has extensive experience working with children through babysitting for families over the years, where she provided reliable care, support, and engagement tailored to each child’s needs. It was through babysitting and supporting children's growth where Julia discovered her interest in ABA therapy. She has also worked as a lifeguard where she prioritized safety and leadership in a summer camp environment. Beyond her professional roles, Julia is a dedicated member of HuskyTHON, an annual charity event supporting Connecticut Children’s Hospital.
Outside of work, Julia enjoys spending time with family and friends, being active and exploring new experiences. She is passionate about supporting children, families, communities, and making a positive impact in the lives of children and families! She is eager to continue her growth in the field of ABA therapy and join the MR&A team!
Alyssa Alfano, BS, RBT
Alyssa graduated from Southern Connecticut State University in 2025 with her Bachelors degree in Psychology and a minor in Mathematics.
During her summer internship at MR&A, she saw firsthand the positive impact of ABA therapy, inspiring a deep appreciation for the field. Through personal experiences and coursework, Alyssa has developed an understanding and appreciation for the challenges of neurodiversity and is excited for the opportunity to make a difference.
In her free time, Alyssa enjoys relaxing with a good book, spending time with friends at local coffee shops, and expressing her creativity through crafts.
Taylor Delcarmine, BS, RBT
Taylor graduated from Fairfield University this spring with her Bachelors of Science in Psychology. She has spent several years working closely with children as both a nanny and ice skating coach, experiences that strengthened her passion for helping children learn and grow.
Taylor is excited to join the MR&A team and gain valuable experience as she prepares to pursue a masters degree in Mental Health Counseling. With a strong love for working with kids, she is eager to learn from this opportunity and make a positive impact through her work.
Grace Schramm, BS, RBT
Grace graduated from Sacred Heart University in May 2026 with a Bachelor of Science in Psychology. She has always had a passion to help others and finds fulfillment in supporting the community around her. SHU supplied her with a strong academic background in courses, such as Behavioral Neuroscience, Child Development, and Psychology of Personality. She's excited to integrate her knowledge and love for working with kids in her career.
During a spring internship at MR&A, Grace was introduced to ABA therapy and realized that she can make a positive impact in the lives of neurodivergent children. She is excited to join the MR&A team and create a space where everyone can be seen and heard!
In her free time, Grace enjoys spending time with loved ones, surfing, exercising, and reading. She is currently attaining her Masters at Western Connecticut State University with the goal to become a BCBA where she can further her skills and grow in the ABA field!
Ava Greco, BS
Ava graduated from the University of Delaware this past spring with a degree in Health Behavior Science and a minor in Business Administration. Her passion for working with children has grown through a variety of experiences, including internships, working as a swim instructor, and being a camp counselor. Through these experiences, she has really enjoyed building relationships with children and helping them feel comfortable, confident, and supported as they learn and grow.
Ava is excited to begin her career in ABA and get to know the children and families she works with. She looks forward to learning more about ABA and helping each child work toward their individual goals. Outside of work, Ava enjoys spending time with her family and friends, being outside, traveling, and staying active. She is very excited to start her career as an ABA therapist and join the team at MR&A!
Allegra Simon, BS
Allegra is originally from Miami and earned a Bachelor of Science in Molecular and Cellular Biology with a minor in psychology from Sacred Heart University. She is currently pursuing a Master of Health Science in Biomedical Sciences at Quinnipiac University.
Her interest in Applied Behavior Analysis (ABA) stems from close family relationships and a strong desire to help others. In her free time, she enjoys reading, crocheting, and babysitting.
Emma Nelly, BA
Emma graduated from the College of Charleston in 2026 with a Bachelors in Humanities and Social Sciences, and a minor in Education. While attending, she worked as a local nanny for families with different developmental needs, as well as worked as a gymnastics coach for kids ages 2-13. Here she would design and implement age appropriate programs to foster a fun and effective learning environment where kids could grow as a gymnast!
Being the oldest of 4 kids she has always had a love for caring for children, and it is with her more recent experiences that she has found her love for working with neurodivergent kiddos! In her free time she likes to go to the beach, read a good book, go on a walk, or be creative! She is beyond excited to expand her knowledge and skill set at MR&A and be a part of the team!
Michelle Callahan, MA
Michelle graduated from Sacred Heart University with a Bachelor of Arts in Psychology and a minor in Elementary Education. After graduating, Michelle continued her education at Sacred Heart, earning both her Master of Arts in Teaching and her Remedial Reading and Language Arts sixth year equivalent. She is a certified elementary educator and reading specialist in Connecticut.
In 2001, Michelle began her lifelong passion for teaching. She spent the first part of her career as an elementary educator in Stratford, and then she transitioned to West Haven, where she remains a dedicated educator of English Language Arts and Social Studies at the intermediate level. Throughout her tenure as a teacher, Michelle has had the privilege of working with students from kindergarten through high school.
Every summer for over a decade, Michelle has taught many amazing students with special needs at the Extended School Year program in her district. It is through her work with these students and their incredible behavior technicians that Michelle was inspired to begin work as an ABA therapist.
In her free time, Michelle loves to spend time with her family- especially her two sons. She also loves to snuggle with her dog, take her pup for long walks on the beach, read, listen to podcasts, and watch soccer. Michelle is so excited to begin working at Michelle Ragozzine & Associates!