Justin Creech, BCBA, LBA-- Justin Creech earned his certification as a Board Certified Behavior Analyst and is licensed by the Commonwealth of Virginia Board of Medicine in 2018.   He became endorsed as a Positive Behavior Support Facilitator in 2006.  He has a Master's degree in Professional Behavior Analysis from Florida Institute of Technology.  In 2007, he started a company called Positive Behavior Consulting, LLC which provides positive behavior supports to individuals in need of services through the Developmental  Disability waiver, Department of Rehabilitative Services, and the Comprehensive Services Act.   In 2010, he received the “Linking people, changing lives” award for making a significant difference on behalf of self-advocates and families presented at the 25th anniversary of VCU’s Partnership for People with Disabilities. 


Darcy Creech, PBSF (Administrative Director)--Darcy Creech became an endorsed Positive Behavior Support Facilitator in 2006.  She worked as an Intellectual Disability Service Coordinator for 13 years before becoming the Administrative Director at Positive Behavior Consulting, LLC.  She coordinates all referral and intake services for BCBA's, Positive Behavior Supports, and Mentoring.  Darcy provides professional business training and consultation to individuals and companies interested in providing DD waiver services.  She provides DD waiver billing services for our company and others.

Contractors for Behavior Consultation & Mentoring:

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Crystal Burton, PBSF-- Crystal Burton became an endorsed Positive Behavior Support Facilitator in 2010.  She has worked with people who have an intellectual disability of all ages in schools, employment settings, and in their homes.  In addition, she has experience working in different types of residential programs with those who have serious mental illness or a dual diagnosis.  Crystal provides behavior consultation services to the Richmond area and Northern Virginia.


Katlin Sisler, PBSF, LPC--Katlin became an endorsed Positive Behavior Support Facilitator in 2014.  She has a Master's Degree in Rehabilitation Counseling and is also a Licensed Professional Counselor.  Katlin has supported individuals with intellectual disabilities and mental health needs in both the residential and outpatient setting.  Katlin is certified in CPR, First Aid, and TOVA.  She serves individuals from all age groups and provides service in Richmond, New Kent, and surrounding areas. 

Willona Walker, PBSF--Willona Walker became an endorsed Positive Behavior Support Facilitator in 2011.  She has worked with at risk youth, children, and adults with special needs for nearly 20 years. She has a Bachelor’s Degree in Behavioral Science and Associates in Business Management. Willona is certified in CPR, First Aid, TOVA, and Medication Administration. She currently works as a training specialist at Henrico County Day Support and provides behavior consultation for individuals in the Richmond area.  

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V.J. Petillo, MS, PBSF— V. J. was endorsed as a Positive Behavior Support Facilitator in Virginia in 2006.   He has a Master’s Degree in Rehabilitation Counseling.  A significant part of V. J.’s work throughout his career has involved directly providing and/or developing behavioral supports. V. J.’s experiences in the field of Intellectual and Developmental Disabilities dates back to 1991, when he started working in a group home in Ohio.  Since that time, he’s worked in a wide-variety of service settings, including:  residential services, supported employment, exceptional education, case management, private practice as a behavioral consultant, and crisis prevention and intervention.  Currently, V. J. is the consulting Behavior Specialist for REACH Region IV.  In this role, V. J. is involved in many of the clinical assessment and support planning that occurs for individuals served by the regional program.  V. J. is also a member of the Virginia PBS Executive Steering Committee and the PBS Endorsement Board.  


Pat Rimell, BCBA, LBA— Pat is an alumnus of Western Michigan University where he earned a B.A. in Psychology.  He also attended the University of Kansas and received a Master’s degree in Special Education.  Pat has over thirty years of experience in the field of intellectual disabilities.  He became a Positive Behavior Support Facilitator in 2014 and earned his certification as a Board Certified Behavior Analyst licensed by Commonwealth of Virginia Board of Medicine in 2017.  Pat has experience with residential and day support settings that serve adults.  He lives and works in the Central Virginia region.


Lisa M. Ellinger, MSW, PBSF - Lisa became an endorsed Positive Behavior Support Facilitator in 2017. She earned an undergraduate degree in clinical and developmental psychology from Hollins University and a Master of Social Work degree from Virginia Commonwealth University. Lisa is also a Virginia-LEND graduate from VCU's Partnership for People with Disabilities. Lisa began supporting individuals with intellectual and developmental disabilities in 1993, and has experience working with children and adults in residential and day support settings. She currently works as a DD case manager at Hanover Community Services Board and provides behavior consultation for individuals in Chesterfield, Henrico, and Richmond areas.


Whitney King, MA, PBSF - Whitney earned her BA in Sociology from South Carolina State University, a Masters of Arts & Teaching from Liberty University, and is currently taking coursework in Applied Behavior Analysis with goals of becoming a BCBA. Whitney is also an endorsed PBS-F in Virginia. Whitney entered the field of special education in 2011 during her first year of graduate school. “I took one course on Autism and became determined to work in the field immediately”. Whitney’s personal philosophy of education is that all education is special education; all children have the ability to learn once we discover their style of learning. Whitney has worked at various schools and facilities including New Hope Treatment Centers (South Carolina), Sheppard Pratt Health System(Maryland), The Children’s Guild(Maryland), and has served as a Family Consultant for various Autism Waiver providers across the state of Maryland.


Okey Nwokolo, BCBA, LBA-  Okey Nwokolo has been working with children and adults with developmental disabilities, autism and related special needs since the year 2002. He founded Autism Associates Nigeria, Center for Autism & Developmental Disabilities (CADD) and initiated the LagosWalk4Autism project in Nigeria. Prior to relocating to the United States in 2015, Okey served 4 years as an Instructional assistant and behavior consultant at the American International School of Lagos. In 2017, the Society for the Advancement of Behavior Analysis (SABA) awarded him an International Development Grant.  He earned a Master’s degree in Psychology from the University of Lagos and proceeded to Florida Institute of Technology where he obtained a graduate certificate in Applied Behavior Analysis. In 2018, Okey became a Licensed Behavior Analyst in the Commonwealth of Virginia. He is currently a PhD Student in Counselor Education and Supervision at Virginia Tech.  Okey upholds a person-centered, solution-focused orientation and advocates Applied Behavior Analysis as the most effective technology for behavior change.                   http://saba.abainternational.org/grants/international-development-grant/okey-martins-nwokolo/

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Craig Marrer, BCBA, LBA--Craig Marrer is a Board Certified Behavior Analyst and Licensed Behavior Analyst in the state of Virginia. He has a Master’s degree in Behavior Analysis from St. Cloud State University. Craig began providing behavioral support services in 2008 and has since had the opportunity to work with a variety of populations including adults and children diagnosed with Autism Spectrum Disorder, adults with severe mental health issues, traumatic brain injury, dementia processes, substance abuse disorders, problematic sexual behaviors, and dually diagnosed individuals. Craig lives in Richmond Virginia and provides services from Richmond to Fredericksburg. 


Melanie Kells, BCBA, LBA—Melanie has a M.S. In Psychology and a certificate in Applied Behavior Analysis. Melanie has a brother with severe Autism and Epilepsy and is passionate about assessment and treatment of severe problem behaviors. She has extensive experience working with a wide range of developmental and intellectual disabilities in the home, community, and school throughout Virginia. Melanie also provides therapeutic services to adults with severe problem behaviors in residential and day supports. Melanie has used her knowledge to provide in-service trainings and consultations to encourage awareness and education within the community and first responders. In her free time she enjoys spending time with her husband and four children playing soccer, hiking, cooking and gardening.


Amanda Wadsworth, M.S.Ed, BCBA, LBA—Amanda is a licensed special education teacher, Board Certified Behavior Analyst and Licensed Behavior Analyst in the state of Virginia. She has been working with individuals with disabilities since 2001 and has worked with people across the lifespan from early childhood to adults. She has worked with a variety of populations, including extensive experience with individuals diagnosed with Autism Spectrum Disorder. Amanda has worked in a variety of settings including residential, center-based and public and private schools. She enjoys working with individuals to improve their quality of life including reducing challenging behavior to allow for greater access to environments and skill development to build independence. 


Sarah Wright M.Ed, PBSF—Sarah became an endorsed Positive Behavior Support Facilitator in 2018. She earned her M.Ed in Educational Psychology and graduate certificate in Applied Behavior Analysis from Texas Tech University. Sarah is currently undergoing supervision in order to become a BCBA. Prior to working in Behavior Consultation, Sarah managed an adolescent girls group home in central Virginia. Sarah enjoys working with individuals of all abilities and has a passion for using a strength-based approach to help improve the quality of life for the individuals she serves. In her free time, Sarah enjoys traveling with her husband and two children, playing tennis, and gardening.

Jeffrey Matherne (Mentor)—Jeff is an alumnus of Virginia Commonwealth University where he earned his degree in Psychology.  Previously, he has led a team at the Faison School for Autism, where he specialized in plan development and treatment of individuals with severe spectrum disorders, aged 2-22. Jeff currently works on educational enrichment and emotional stability with at-risk youth through local non-profit organizations and is the local branch Volunteer Coordinator for an international non-profit that educates and provides peer-mentoring for emotionally and cognitively disabled youth. Jeff currently provides Mentoring through a person-centered approach.