Tom Griffin
Tom GriffinChief Executive Officer
Dr. Griffin is the CEO and founder of The Transition House, Inc. With over 25 years of experience in the addictions field, he has led the agency since its inception in 1993. Dr. Griffin encourages his staff to adhere to all of the new evidence-based treatment protocols that are available in this complex field. Dr. Griffin is a Board member of Florida Alcohol and Drug Abuse Association (FADAA), he serves on the Florida Certification Board for Certified Addictions Professionals, as well as many other industry related organizations.
Jennifer R. Dellasanta, ICADC, LADC, CAP
Jennifer R. Dellasanta, ICADC, LADC, CAPChief Operating Officer and Executive Director of Programs in New England

Jennifer began her career in Behavioral Health in 2006 with the Linda Fay Griffin House in Worcester, MA. Until 2011 Mrs. Dellasanta was the Program Director of a residential women’s facility for substance abuse and mental health, a fee for service Clinician, and an advocate for recovery treatment in Massachusetts.

Mrs. Dellasanta has a Master’s Degree in Human Services and is currently pursuing her Doctorate's Degree for Addiction Psychology.

In 2011, she joined The Transition House, Inc. as a substance abuse counselor, was promoted to Clinical Supervisor. In 2013, she was promoted to Chief Operating Officer. In 2017, Mrs. Dellasanta was promoted to Executive Director as she has transferred back to her home state of Massachusetts.

Mrs. Dellasanta oversees all therapeutic services in the program, ensuring that the implementation of evidence-based treatment protocols are being followed and that they continue to be utilized within all programs. Mrs. Dellasanta is responsible for staff development, quality management, and The Joint Commission accreditation for all associated programs. In addition, Mrs. Dellasanta is the Implementation Manager for Electronic Health Records for all programs at The Transition House, Inc.

She is a member of the National Council on Behavioral Health, a member of NAADAC, and a proud member of American Counselor Association. Mrs. Dellasanta is a Licensed Alcohol and Drug Counselor 1 in the state of Massachusetts, is an Internationally Certified Alcohol and drug abuse counselor in Massachusetts, Alabama, and Florida and maintains her MCAP in the state of Florida.

Melissa Lucas, PHR, CRRA
Melissa Lucas, PHR, CRRAChief Human Resources Officer
Melissa joined the TTHI team in 2015. She has over 10 years of human resources experience including developing HR processes and policies, compliance, employee relations, performance management, recruiting, benefits, compensation and training. Prior to joining The Transition House team, Melissa supported large retail chains by linking people strategies to strategic business planning. Her career has included high-level Operations and HR Management and she has extensive experience creating talent management programs that include career pathing, succession planning and leadership coaching. Melissa has a Masters Degree in Business Administration (MBA) with a specialization in Human Resource Management. She has been a member of the Society for Human Resource Management (SHRM) since 2014. Outside of work, Melissa is a huge animal lover who enjoys outdoor adventures such as kayaking, paddle boarding, and hiking nature trails. Having grown up in Salem, MA her “happy place” is swimming in the cold Atlantic Ocean.
Dr. Jaymes Gonzales
Dr. Jaymes Gonzales Director of Clinical Services
Dr. Jaymes Gonzales is a licensed psychologist and graduate of the University of Alaska Anchorage-Fairbanks Clinical-Community Psychology Ph.D. program. He has worked with children, adolescents, adults, couples, and families over a 15 year career that includes a variety of inpatient and outpatient service settings. His professional special interests include phase of life transitions, identity development and change, depression, anxiety, posttraumatic stress disorder (PTSD), premarital counseling, court ordered treatment, gender-rooted clinical issues and role demands, and working with LGBTQ-identifying individuals. In addition to psychotherapy and clinical assessment, he is experienced in providing clinical supervision, individual and agency-level consultation, teaching university psychology courses, program development and management, cross-cultural service provision, rural and remote-rural service development and delivery, and telehealth services. Research areas of interest include cultural and personal identity development, identity changes throughout the lifespan, healthcare access, and the use of technology in clinical service delivery. Outside of work, Jaymes enjoys kayaking, hiking, snowboarding, camping, playing soccer, and is an avid Seattle Seahawks fan.
Dr. Kimberly A. Quigley, MD
Dr. Kimberly A. Quigley, MDMedical Director

Dr. Kimberly Quigley graduated from Webb School of Knoxville in 1993. She moved on to Georgetown University earning a BSLA in German Language and Linguistics. She completed work at the Harvard University Health Careers Program, at which time she decided to pursue medicine. After graduating from medical school at the University of Tennessee College of Medicine in 2001, Dr. Quigley completed an internship in Pediatrics, followed by a residency in Psychiatry. She holds board certification from the American Board of Psychiatry and Neurology. Dr. Quigley has provided medical leadership for outpatient mental health settings, hospital systems, and recovery programs.

Dr. Quigley has over 15 years of experience in partnering with children, adolescents, adults, mature adults and their families in deciding if and how psychotropic medication can be used to help them attain their personal goals for wellness and wholeness in their lives. In her spare time, Dr. Quigley is the chess coach at the Episcopal School of Knoxville. She is a strong community advocate for developing chess programs across the East Tennessee area for children of all backgrounds. She is active at Emerald Youth Sports as a soccer coach and volunteer.

    Jeffrey Wainwright
    Jeffrey WainwrightDirector of Work Release Programs
    Mr. Wainwright began his corrections career in 1980. Wainwright advanced through all security positions retiring as Warden of the Central Florida Reception Center. His experience spans Reception Centers, Youthful Offender, Close Management Male and Female, death row and several major correctional institutions throughout the State of Florida. Mr. Wainwright joined The Transition House, Inc. in January 2014.
    Yvette DeJesus
    Yvette DeJesusProgram Director of Supportive Services for Veterans and Families
    Ms. DeJesus began working in the human service profession in 1998 in New York City as a volunteer in the ADAPT program, an outreach organization that reached out to individuals in high risk behaviors. They would do HIV testing on the street and provide harm reduction techniques on site including needle exchange program and safe sex education, along with any referrals that the individual may need. She then went on to working with individuals with HIV in high risk behaviors, providing intense case management and assisted the client with medical appointments, treatment adherence and advocated for their benefits and housing.

    She then supervised a team of seven staff with Planned Parenthood outreach program, where she was responsible for three different contracts with this organization the CBC, CDC and DOH. There was a medical mobile unit that would go out into the high risk community and provided medical services, HIV counseling and testing, assist with placing individuals into detox followed by SA treatment. She also facilitated groups for adolescents with behavioral issues and participating in high risk behavior. In Florida, Ms. DeJesus began doing counseling and facilitating groups in a residential facility. She completed UAs and maintained daily files. Then began working with HOPWA assisting with housing for individuals HIV/AIDS providing case management and financial assistance. In The Transition House she has done HOPWA, case management for GPD, facility groups, billing, and now SSVF for the past three years providing housing and assisting with SOAR applications. Currently, she is working to obtain her bachelor's in legal studies.