Our Team

Meet Our Team of Behavior Analysts and Therapists

ABA Services of Colorado

Maura Wamsley, MA, BCBA
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Founder/CEO

Maura earned her BA in English from Lake Erie College and her MA in educational psychology from Kent State University. She has been a Board Certified Behavior Analyst since 2010.

Maura has worked with individuals with autism and neurodevelopmental disorders since her undergraduate years. She has also worked with individuals with dual diagnoses and severe behaviors. Maura's research interests include verbal behavior skill acquisition in early learners, OBM, and assessment and diagnostics of autism spectrum disorders and neurodevelopmental disorders. 

Please contact Maura with questions about billing. 

ABA Services of Colorado

Meredith Loscialpo, MS, BCBA
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Chief Operating Officer

Meredith earned her BS in elementary education from Towson University in 2006 and her MS in behavior analysis from Simmons University in 2012. She has been a Board Certified Behavior Analyst since 2012. Meredith has worked with individuals with autism ages 18 months to 16 years. She brings a wealth of knowledge in practice management and clinical oversight to the company.

Meredith is adjunct faculty at Simmons University, for its online behavior analysis program, as an intensive practicum supervisor. She is also a faculty reader on the admissions team. Meredith loves working with behavior analysis graduate students. Her professional interests include OBM and family education.

In her spare time, Meredith enjoys spending time with her husband, sons, and dog. She enjoys listening to ABA podcasts.

Please contact Meredith about funding, schedules, and general questions.

ABA Services of Colorado

Rachel Meech, MS, BCBA
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Senior Clinical Director

Rachel earned her BS in communication sciences and disorders from Florida State University and her MS in applied behavior analysis from Sage Colleges. She has been a Board Certified Behavior Analyst since 2017. 

Rachel has experience working with children of all ages. Her research interests include diagnostic assessments and implementation of effective parent training. 

Please contact Rachel with questions about your child’s therapy and goals.

ABA Services of Colorado

Tracy Holcombe, Ph.D.
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Administrative Assistant

Tracy is from Zion, IL. She earned her BS in biology and environmental studies from Augustana College in 1998, her MS in forestry from Colorado State University in 2008, and her Ph.D. in ecology from Colorado State University in 2010. She enjoys knitting, reading, being outdoors, community, and family.

ABA Services of Colorado

Erica Wilhoite, BA
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Administrative Assistant

Erica is from Lone Tree, CO. She earned her BA in integrative studies, with a concentration on childhood studies, from George Mason University in 2020 and is pursuing her master's degree in clinical mental health counseling. Erica has worked with a wide variety of individuals. Her research includes the affects of opioid addiction on parenting behaviors and child outcomes. Erica enjoys spending time with her husband and son, going for walks, hiking, skiing, reading, and finding new places to eat.

Front Range Division

ABA Services of Colorado

Sophie Vail, MA, BCBA
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Regional Clinical Director: North Denver

Sophie earned her BA in psychology from Indiana University and her MA in applied behavior analysis from Ball State. She has been a BCBA since 2017. Sophie has experience working with individuals with various neurodevelopmental disorders, ages 2 through adulthood. Her research interests include Social Thinking and early intervention. In her free time, Sophie and her husband enjoy the full range of city life: restaurants, theater, and the arts. 

Please contact Sophie with questions about your child's therapy and goals.

ABA Services of Colorado

Jessica Cooper, MS, BCBA
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Regional Clinical Director: South Denver

Jessica earned her BS in communication disorders and BA in communication studies from Southeast Missouri State University in 2013, and her MS in applied behavior analysis from Simmons College in 2016. She has been a BCBA since 2016. Jessica has worked with clients of all ages with autism, emotional behavioral disorders, and global neurodevelopmental delays. Her research and professional interests include verbal behavior, language development, play skills, and matrix training.

ABA Services of Colorado

Stephanie Bendush, MA, BCBA
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Training Director

Stephanie is from Berkeley Heights, NJ. She earned her BS in neuroscience from Lafayette College in 2015 and her MA in applied behavior analysis from Caldwell University in 2018. She has been a BCBA since 2018. Stephanie has worked with individuals ages 3-24. Her master's thesis is titled "The Effects of 'Both' and 'Neither': Alternative Response Options on Equivalence Class Formation."

ABA Services of Colorado

Mary "Berkeley" Brown, MA, BCBA
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Consultant

Berkeley is from Jacksonville, FL. She earned her BS in family and child sciences from Florida State University in 2015 and her MA in special education and applied behavior analysis from the University of West Florida in 2021. She has been a BCBA since 2021. Berkeley has worked with individuals ages 2-23. Her research and professional interests include trauma-informed ABA, and the comorbidity of behaviors and psychiatric disorders.

ABA Services of Colorado

Liz Budwit, MA, BCBA
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Consultant

Liz earned her BA in psychology from the University of Colorado, Boulder, in 2011 and MA in applied behavior analysis from Ball State University in 2020. She has been a BCBA since 2020. Liz has worked with individuals ages 3-21 with autism spectrum disorder. Her research and professional interests include learners with AAC devices, services for transition-aged youth, and social skills training groups.

ABA Services of Colorado

Benjamin Lowder, MA, BCBA
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Consultant

Benjamin is from Jackson, MI. He earned his BS in early childhood development and learning from Central Michigan University in 2016 and his MA in applied behavior analysis from Ball State University in 2018. He has been a BCBA since 2019. Benjamin has worked with individuals ages 18 months-15 years. His professional interests include multidisciplinary training, natural environment teaching, and automatically maintained behavior. Benjamin enjoys sports, hiking, skiing, camping, and spending time with family and friends.

ABA Services of Colorado

Katie Roberts, MS, BCBA
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Consultant

Katie earned her BA in journalism from the University of Missouri in 2017 and her MS in applied behavior analysis from Arizona State University in 2019. She has been a BCBA since 2019. Katie has worked with young children through teenagers, with ASD, BPD, ODD, and Down syndrome. Her research and professional interests include stereotypy and verbal behaviors.

ABA Services of Colorado

Melissa Schuh, MSE, BCBA
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Consultant

Melissa is from Hartford, WI. She earned her BA in psychology from University of Wisconsin, Madison, in 2018 and her MS in special education from University of Wisconsin, Whitewater, in 2019. She has been a BCBA since 2021. Melissa has a graduate certificate in applied behavior analysis and is a transition specialist and an autism specialist. Her professional and research interests include multidisciplinary practices, transition services, and school consultation/training. Melissa has worked with those in early childhood as well as with adult and vocational transitions.

ABA Services of Colorado

Anthony Baldassari, MA, BCBA
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Consultant-in-Training

Anthony earned his BA in neuroscience and psychology from the University of Colorado and his MA in professional behavior analysis from Florida Institute of Technology. He has been a BCBA since 2021. Anthony has worked with individuals of all ages with a wide range of neurodevelopmental disorders. His research interests include the use of ABA with individuals with traumatic brain injuries and individuals with co-morbid mental health and neurodevelopmental disorders diagnoses. 

ABA Services of Colorado

Chelsea Holley, MA, RBT
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Consultant-in-Training

Chelsea is from Round Rock, TX. She earned her BA in psychology, with a minor in family and child development, from Texas State University in 2017 and her MA in ABA and child and adolescent development from Capella University in 2020. Chelsea has been an RBT since 2018. She has worked with children ages 2-16 with autism and selective mutism. Her professional and research interests include autism, selective mutism, and child and family development.

ABA Services of Colorado

Ryan Horneman, BS, RBT
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Consultant-in-Training

Ryan is from Media, PA. She earned her BS in psychology from High Point University in 2017 and has been an RBT since 2020. She has worked with both elderly clients and youth. Ryan enjoys krav maga, yoga, and skiing.

ABA Services of Colorado

Abigail Kern, MA, BCBA
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Consultant-in-Training

Abigail is from Littleton, CO. She earned her BA in psychology from Azusa Pacific University in 2017 and her MA in applied behavior analysis from Ball State University in 2021. She has been a BCBA since 2021. Abigail's professional interests include traumatic brain injuries and long-term effects of early intervention. She has worked with children ages 3-18 with ASD, ADHD, and processing disorders; she has also worked with adolescents and adults with neurodevelopmental disorders and behavioral concerns.

ABA Services of Colorado

Mike Piechowski, BA, RBT
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Consultant-in-Training

Michael moved to Denver from Green Bay, WI. He studied psychology at St. Norbert College and proceeded to work for the Wisconsin Early Autism Project from 2015-2017, an ABA program specialized to serve young individuals with autism spectrum disorder. Michael has been an RBT since 2017. With a love for the mountains, the move to Denver was a natural fit. Michael is currently pursuing his BCaBA certification. In his free time, Michael enjoys mountain biking, hiking, and skiing, but also has a passion for video games when he can’t be outside.

ABA Services of Colorado

Rebecca Titcomb, BA, RBT
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Consultant-in-Training

Rebecca is from Henniker, NH. She earned her BA in neuroscience from Bates College in 2017 and has been an RBT since 2018. Rebecca has worked with a wide range of individuals, from preschoolers through geriatrics. Her professional and research interests include the neurological underpinnings of mental health, abnormal psychology, and holistic medicine.

ABA Services of Colorado

Kindall Bethke, BS, RBT
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Therapist

Kindall is from Belgrade, MT. She earned her BS in human services and social science from Black Hills State University in 2020 and has been an RBT since 2021. Kindall has worked with youth 10-18 years old with mental health and behavioral concerns. Her professional interests include pursuing her MSW and working with clients who struggle with mental illness. Kindall enjoys hiking, camping, and walking her dog.

ABA Services of Colorado

Sara Bierly, BA, RBT
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Therapist

Sara is from Lewisburg, OH. She earned her BA with double majors psychology and criminology from Ohio State University in 2018. Sara has worked in adult mental health, addictions and recovery, and criminal behavior. She plans to obtain a dual Ph.D. in psychology and sociology.

ABA Services of Colorado

Sophie Bonilla, BSG, RBT
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Therapist

Sophie is from Englewood, CO. She earned her bachelor's of general studies, focused on applied behavioral science, from the University of Kansas in 2021. She has been an RBT since 2020. Sophie has worked with children, and her professional and research interests include data analysis in ABA and working one-on-one with children. She enjoys the outdoors, concerts, skiing, and sports.

ABA Services of Colorado

Morgan Johnson, BS, RBT
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Therapist

Morgan is from Bangor, ME. She earned her BS in elementary education, with a minor in child development and family relations, in 2017. She is pursuing her Psy.D. in school psychology, with a concentration in applied behavior analysis, from the University of Southern Maine. Morgan has been an RBT since 2021. She has taught elementary students in public school, supporting access to the general education setting for students with IEPs. Her research and professional interests include accommodating the diverse range of learning styles and social-emotional and behavioral needs in young learners. Morgan is passionate about finding new ways to support behavioral challenges, working with both teachers and students.

ABA Services of Colorado

Joseph Ortega, MA, RBT
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Therapist

Joseph is from San Bernardino, CA. He earned his BA in human communication, practical and professional ethics, from California State University, Monterey Bay, in 2019 and his MA in social innovation from the University of San Diego in 2020. Joseph has worked with students ages 0-18 in Montessori early childhood education and K-12 public schools. His research and professional interests include K-12 educational exclusion, diversity, inclusion, education equity, and education policy. Joseph enjoys spirituality, dancing, music, and outdoor recreation.

ABA Services of Colorado

Mattea Pedersen, BA, RBT
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Therapist

Mattea is from Glenwood Springs, CO. She earned her BA in psychology from Colorado Mesa University in 2019. She has been an RBT since 2020. Mattea has worked with individuals ages 12-70 with neurodevelopmental disorders. Her professional interests include human growth and development as well as abnormal psychology.

ABA Services of Colorado

Xavier Tamez, BA, RBT
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Therapist

Xavier is from Greeley, CO. He earned his BA in psychology from the University of Northern Colorado in 2019. Xavier has worked with children in kindergarten through fifth grade in behavioral health programs. He enjoys camping, hiking, photography, art, and gardening.

ABA Services of Colorado

Cole Tomkins, BA, RBT
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Therapist

Cole is from Brighton, U.K. He earned his BA in psychology, with minors in math and Mandarin Chinese, from University of Puget Sound in 2018. He has been an RBT since 2021. Cole has worked with young adults (18-30) with autism, learning difficulties, and challenging behavior in care homes in the U.K. Cole loves statistics! He also enjoys being outdoors and making music.

ABA Services of Colorado

Lia Lauwira
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Office Assistant

Lia is from Aurora, CO. She earned her high-school diploma in 2021. Lia's professional interests interests include creating stimuli for clients and maintaining clean and organized therapy rooms at the clinic. She enjoys art, trying new foods, and swimming.

Roaring Fork Valley Division

ABA Services of Colorado

Michelle Szydlowski, MA, BCBA
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Regional Clinical Director

Michelle earned her BA in psychology, with a minor in neuroscience, from the University of Connecticut in 2006, and her MA in applied behavior analysis from Ball State University in 2015. She has worked with individuals of all ages, managed adult residential care and behavioral needs, and supervised a wide range of staff. Michelle's research and professional interests include neurodevelopmental disorders and organizational behavior management.

Please contact Michelle with questions about your child's therapy and goals.

ABA Services of Colorado

Sam White, M.Ed., BCBA
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Regional Clinical Director

Sam earned her BS in psychology from SUNY Oneonta and her M.Ed. in applied behavior analysis from Endicott College. She has been a Board Certified Behavior Analyst since 2016.

Sam has experience working with children, adolescents, and adults with a variety of diagnoses in clinic, residential, and home settings. Her research interests include PECS, synthesized functional analyses, and the Early Start Denver Model.

Please contact Sam with questions about your child's therapy and goals.

ABA Services of Colorado

Kristi Strickland, LCSW, BCBA
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Senior Consultant

Kristi is from Duluth, MN. She earned her BS in psychology and business administration from Valparaiso University in 2004, and her MSW from Indiana University in 2008. She has been a BCBA since 2014. Kristi has worked with individuals from toddlers through seniors, with a variety of neurodevelopmental disorders and mental illnesses; she specializes in autism spectrum disorder. Her research and professional interests include changing rule-governed behavior by changing the rules, as well as biological markers of ASD.

ABA Services of Colorado

Brittany Dimond, MA, BCBA
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Consultant

Brittany is from Warrenville, IL. She earned her BA in criminal justice from Western Michigan University in 2012 and her MA in applied behavior analysis, with an emphasis on autism, from Ball State University in 2020. Brittany has been a BCBA since 2021. She has worked with children 18 months-14 years with autism and related neurodevelopmental disorders, individuals with severe challenging behavior, and those who require early intervention. Her research and professional interests include assessment and treatment of severe behavior, precision teaching, and verbal behavior. She enjoys snowboarding, yoga, and music.

ABA Services of Colorado

Marie Dohm, MA, BCBA
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Consultant-in-Training

Marie earned her BS in kinesiology from Michigan State University in 2016 and her MA in applied behavior analysis from Florida Institute of Technology in 2021. She has been a BCBA since 2021. Marie started her career working in day programs with adults with neurodevelopmental disorders.

ABA Services of Colorado

Karen Murphy, MA, BCBA
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Consultant-in-Training

Karen earned her BS in special education and early education from Radford University and her MA in special education from the University of Northern Colorado. She has been a BCBA since 2021. Karen has worked with students from preschool through eighth grade and in group homes with adults with special needs. She has experience working in many roles in the school district.

ABA Services of Colorado

Kara Nolle-Percy, BA, RBT
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Consultant-in-Training

Kara is from Alton, IL. She earned her BA in counseling and student ministry from Piedmont International University in 2012 and is pursuing her MS in clinical mental health counseling through Grand Canyon University. Kara has been an RBT since 2019. She has worked primarily with students in pre-kindergarten through high school, in school, church, nonprofit, and ABA settings. Her professional and research interests include co-morbid behavioral and mental health disorders, trauma-informed disorders, and holistic care services. Kara enjoys spending time with her husband and dogs, hiking, camping, traveling, and reading.

ABA Services of Colorado

Karley Ortloff, BS, RBT
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Consultant-in-Training

Karley is from Waconia, MN. She earned her BS in psychology, with a minor in human development and family science, from North Dakota State University in 2018. She has been an RBT since 2020. Karley has worked with individuals with autism through equine therapy, and she has experience with middle-school students with neurodevelopmental disorders. Her professional and research interests include children on the autism spectrum, neurodevelopmental disorders, and abnormal psychology. She enjoys hiking, camping, and spending time with friends.

sarah van pelt

Sarah Van Pelt, MA, BCBA
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Consultant-in-Training

Sarah earned her BS in psychology from the University of Texas, El Paso, in 2015 and her MA in applied behavior analysis from Ball State University in 2019. She has been a BCBA since 2020. Sarah has worked with children ages 2-16 with Autism Spectrum Disorder. Her professional interests include Acceptance and Commitment Therapy, and she enjoys yoga, hiking, running, reading, and meditation.

ABA Services of Colorado

Rocio Bautista, RBT
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Therapist

Rocio is from Eagle, CO. She earned her GED through Colorado Mountain College, Edwards, in 2007 and has been an RBT since 2020. Rocio has taught preschool to children ages 3-5.

ABA Services of Colorado

Amy Corona
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Therapist

Amy is from Los Angeles, CA, and Rifle, CO. She earned her high-school diploma. Amy has cared for children and older adults. She enjoys listening to music, watching movies, traveling, and exploring new places.

ABA Services of Colorado

Alexis Lessley
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Therapist

Alexis is from Townsend, MT. She has worked with children ages 0-8, and her professional interests include mental health disorders. Alexis enjoys hiking, cooking, and traveling.

ABA Services of Colorado

Katelyn Montgomery
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Therapist

Katelyn is from Rifle, CO. She has experience with individuals with a variety of neurodivergences. Katelyn is intrigued by human neurology and psychology.

ABA Services of Colorado

Alexis Olivas, RBT
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Therapist

Alexis is from Gypsum, CO. She is pursuing her BA in elementary education at the University of Colorado, Denver. Alexis has worked with children as young as 2 years old through students in 8th grade. She values spending time with children and continuously getting to know each one of them and their interests. Alexis enjoys the sunshine, with gardening, reading outside, and spending time on the water.

ABA Services of Colorado

Alexandra "Lexi" Cisneros Rivera, BSW, RBT
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Therapist

Lexi is from Eagle, CO. She earned her AAS in early childhood education from CMC in 2015 and her bachelor's in social work from CMU in 2018. She has been an RBT since 2021. Lexi has worked with early childhood and school-aged children, and her professional interests include preventing child abuse and neglect. Lexi enjoys spending time with family and friends and seeing new places.

ABA Services of Colorado

Sierra Taylor, RBT
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Therapist

Sierra is from Vernal, UT. She earned her high-school diploma in 2018 and has been an RBT since 2021. Sierra has worked with individuals of all ages with special needs and has provided care for senior citizens. She enjoys doing makeup, gardening, playing video games, and shopping.

ABA Services of Colorado

Irving Terrazas
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Therapist

Irving is from Gypsum, CO. He earned his high-school diploma and has been working with individuals with special needs since 2019. Irving has worked with students from kindergarten through third grade with autism, Down syndrome, and cerebral palsy. Irving loves music and enjoys playing video games.

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Timothy "Alex" Washington
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Therapist

Alex is from Hemingway, SC. He earned his high-school diploma and has worked with wounded, paraplegic, quadriplegic, and special needs individuals of a wide range of ages. Alex's research interests include physical, electronic engineering technology, and he enjoys art and world history.