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Leadership Florida

Board of Directors

Timothy Knowles, Chair
Dr. Jennifer Bencie, Vice-Chair
Rev. James Golden, Secretary
Melissa Larkin-Skinner, CEO
Maritza Solis
Linda Agresta
Nina Marshall
Robert L.Smith
Colleen Thayer
Edward Viltz

Centerstone Florida Leadership

Melissa Larkin-Skinner, MA, LMHC - Chief Executive Officer

Melissa Larkin-Skinner is the Chief Executive Officer at Centerstone Florida. She is responsible for clinical and fiscal oversight of clinical operations. As a Licensed Mental Health Counselor, she has nearly 25 years of experience in mental health and addictions treatment programs including hospital, outpatient, crisis, community based, forensic and child welfare services. Larkin-Skinner has designed and operated innovative programs to meet community needs such as the Community Action Teams adopted as a statewide model. In August 2016, she received the Florida Alcohol and Drug Abuse Association Administrator of the Year for her work in combating the opioid epidemic in our community.

Roger Johnson - Senior Vice President of Medical Services & Managed Care

Roger Johnson has lived in Bradenton, Fla. for over 45 years, and has been employed by Centerstone since 1994. During that time Johnson has worked in many areas of Centerstone, as a Mental Health Technician, Unit Clerk, Accounts Receivable Manager and Managed Care Contracts Manager.

Johnson has a BS in Business, and currently is working as the Senior Vice President of Medical Services and Managed Care, where his duties are managing the medical services throughout Centerstone, overseeing the Psychology and Residency Departments, and contract negotiations for our Managed Care contracts. He continues to work on new business projects to extend our services to other areas of our community.

Jessica R. Combs - Vice President of Quality & Corporate Services

Jessica Combs, Vice President of Quality & Corporate Services, has worked for more than 25 years in the not-for-profit landscape, in both Florida and Minnesota.

Prior to moving to Florida in 1999, Combs worked at Tasks Unlimited, a residential treatment facility for the serious and persistently mentally ill in Minneapolis, Minn. There she helped clients find and maintain employment and assisted them in improving their mental health to keep them out of the hospital and increase their independence. While attending University of Minnesota Morris, she also worked at an assisted living facility, helping clients who were unable to live completely independently stay in the community and out of more intensive treatment.

After moving to Florida, Combs worked as a case manager at Suncoast Center, and was quickly promoted to Manager of the program. During her 17 years at Suncoast, she was promoted an additional 6 times, ultimately working with the technology side of electronic health record development. This move exposed her to opportunities in the administrative side of not-for-profits, and allowed her to move into quality and compliance roles within the agency.

Combs’ experience as a clinician, and her dedication to improving the lives of people with mental illness, gives her a unique perspective in the best uses of electronic records, quality improvement and overall agency compliance. Combs often acts as an interpreter between technology and clinical staff and is able to offer solutions that both parties are able to understand and appreciate.

Catherine C. Wilson, LMHC - Vice President of Hospital Services

Catherine Wilson, Vice President of Hospital Serivces, has been with Centerstone for 10 years. She graduated from University of Florida with a Bachelor’s of Arts degree in Psychology and with double minors in Sociology and Gerontology. Wilson received her Master’s in Mental Health Counseling from Nova Southeastern University. She is a Licensed Mental Health Therapist.

Before coming to work for Centerstone, Wilson worked at the Omega Juvenile Prison, a 50 bed, level 10, maximum security prison for juveniles in Manatee County as a contracted provider with the Manatee County Sheriff’s Office. She was in charge of the mental health and substance abuse treatment of all the juveniles sentenced to the 18-24 month program. Wilson became proficient in treating trauma and provided trauma informed care throughout the juvenile justice system.

Wilson was hired at Centerstone as the Supervisor of Rape Crisis services where she also saw clients. She continued managing Rape Crisis as she took on other departments such as Prevention, Intervention, Children’s Substance Abuse, Children’s Mental Health, Mobile Crisis, Walk-in-Center, Call Center, Homeless Outreach, Family Intervention & Safety, Drug Court, Employee Assistance Programming, and Hospital Services which includes the Addiction Center.

She serves on the Board of Florida Council Against Sexual Violence (FCASV) where she is currently Board President. She was a founding member of the local SART (Sexual Assault Response Team), served on the Trauma Informed Care Workgroup-Circuit 12, received the NOVA Award- Manatee Glens- 2011 given by co-workers, FADAA (Florida Alcohol and Drug Abuse Association) Professional of the Year- 2011 and MCSAC (Manatee County Substance Abuse Coalition) Leadership Legacy Award- 2011.

Shawny Robey - Vice President of Business Development

Shawny Robey earned full athletic scholarships to The University of Southern Mississippi to complete her undergraduate and graduate work. She graduated with a Bachelor’s degree in Business with a concentration in Marketing and a Master’s degree in Communications. She began her career in Manatee County at the largest Federally Qualified Health Center (FQHC) in the Southeast region. She was responsible for marketing, public relations, philanthropy and media functions. After many years with the organization, she joined Eli Lilly and Company as a pharmaceutical representative in the neuroscience division. There she focused on meeting the pharma needs for healthcare providers treating patients having mental health concerns or physical pain as a result of fibromyalgia and diabetic neuropathic pain. This experience was the springboard into the behavioral health field.

Robey joined Centerstone in 2013. She oversees business development, media relations, specific areas of payer admissions, and several operational functions. She is currently finishing her Master’s of Business Administration with a concentration on International Business at Florida International University.

Mihaela Zdrali, MD – Vice President for Outpatient Services

Dr. Mihaela Zdrali is the Vice President for Outpatient Services and a Fellow of the Centerstone Research Institute overseeing a number of programs: Florida Assertive Community Treatment, Children Assertive Treatment, Forensic Services and Resource and Recovery Services. She joined Centerstone in June 2017 following her move from England where she earned a Bachelor of Science and a Doctorate in Psychology from the University of Roehampton, and where she later served as a lecturer on psychology postgraduate programs. She is a member of American Psychological Association (APA), American Society of Addiction Medicine (ASAM) and earned her Associate Fellowship with the British Psychological Society (BPS) before moving to Florida.

Before joining Centerstone, Zdrali worked with one of the leading National Health Service Trusts in England as the Lead Counseling Psychologist and Deputy Operations Lead. Her extensive experience spans across clinical and managerial roles, leading and working with multi-disciplinary teams in an integrated health care model. Over the last 10 years, she has specialized in addictions and trauma-informed approaches to care, working as a consultant, clinical supervisor and in private practice.

Zdrali speaks 7 languages and her hobbies are yoga, Pilates and studio dance classes. She personally practices and encourage mindfulness practice for client groups and existing staff members as part of corporate wellbeing program. She has also been involved for many years as a volunteer Olympic level judge for gymnastics. 

Sean Gingras - Director of Finance

Sean Gingras, Director of Finance for Centerstone Florida. After college, Gingras began as an Audit Intern for a Big Five accounting firm and within three years became an Audit Supervisor at a local firm. In 2007 he became a Certified Public Accountant (CPA). Gingras joined Centerstone as the Director of Finance in early 2010.

Gingras is a current member of the American Institute of CPAs, Florida Institute of CPAs, the Government Finance Officers Association, the Florida Government Finance Officers Association, Healthcare Financial Management Association and the Manatee Young Professionals. He is also a current Finance Committee member for the Humane Society of Manatee County, Finance Committee member for the Central Florida Behavioral Health Network and a Board member of the Pinnacle Plaza Condo Association.

He studied accounting at both the University of Florida, where he received a Bachelor’s Degree in Accounting and at the University of Central Florida, where he received his Master’s Degree in Accounting.

Ranjay Halder, MD - Medical Director

Ranjan Halder is the Medical Director for Centerstone Florida. He attended Spartan Health Sciences University and completed his residency at East Tennessee State University (Chief Resident).

Halder holds a fellowship with Palmetto Health/University of South Carolina School of Medicine and his academic appointments include Adjunct Clinical Assistant Professor, Lake Erie College of Osteopathic Medicine. Halder is a member of the American Academy of Child and Adolescent Psychiatry, and the American Society of Addiction Medicine.

Robert Boxley PhD – Director of Clinical Education 

Bob Boxley is the Director of Clinical Education for Centerstone Florida’s Psychiatry Residency and Doctoral Psychology programs. He has been involved with the training of the next generation of doctors since 2001; nearly 200 doctors have received training under Bob since that time.

Boxley has a PhD in Clinical Psychology and has been licensed as a psychologist for 20 years. During that time, he has worked with adults, children and adolescents in a variety of behavioral health areas. Prior to becoming a psychologist, he worked as a therapist in hospital and clinic settings for 17 years, working predominantly with children, adolescents and young adults. Boxley has a number of professional and research interests, including trauma, co-occurring disorders, positive psychology, childhood disorders.

James Matthew Sullivan, MBA – Director of Inpatient Admissions

James Sullivan is the Director of Inpatient Admissions at Centerstone Florida. Sullivan has a Master’s in Business Administration with a concentration in Health Care Management. He has experience working with individuals in a behavioral health and substance abuse setting for 10 years.  It is his great passion to help those that have lost hope due to traumatic/stressful experiences.

Sullivan is an active member of the Addiction Crisis Taskforce and the Acute Behavioral Health Care Committee for Manatee County. 

Lauren Alston, MSW, LCSW – Director of Outpatient Mental Health Services

Lauren Alston currently serves as the Director of Outpatient Mental Health Services at Centerstone Florida. She oversees the outpatient therapy services provided in both the Manatee and Sarasota office locations for adults and children.

Alston has been working in the field of outpatient mental health for over 10 years. Lauren’s areas of expertise are in adult and children’s services with Medicaid, Medicare and Commercial Insurances. The greatest moments of her day are when she is able to reduce barriers and meet staff and clients’ needs.

Samantha Kolb, LCSW – Director of Addiction Center

Samantha Kolb is the Director of Addiction Center at Centerstone Florida. She graduated from Florida State University with both a Bachelors and Master’s degree in Social Work.

Kolb is a Licensed Clinical Social Worker with nearly 10 years’ experience in behavioral health. She specializes in addictions treatment and currently manages the Adult Addiction Continuum that includes Inpatient, Residential, Outpatient, Medication Assisted Treatment, HIV and Community Based Family Programs.

Charles Whitfield, MEd, CLC - Director of Community Care

Charles Whitfield, MEd, is a Certified Life Coach and the Director of Community Care with Centerstone Florida.

He graduated with a Bachelor’s degree in Business Administration and a Master’s degree in Elementary Education from Temple University in Philadelphia.

Whitfield has been working for Centerstone since 2008, managing multiple programs including the Walk in Center, Homeless Outreach, Family Safety Intervention Program, Children’s Substance Abuse Prevention and Intervention Teams, Community Paramedicine Program and the Employee Assistance Program (EAP).

Jane Roseboro, MA, MCAP - Director of Forensic Services

Jane Roseboro is the Director of Forensic Services at Centerstone. She has been with Centerstone since 2009 and has been working to help those with mental health and substance abuse issues for more than 17 years. Roseboro started with Centerstone as a counselor in the Children’s Substance Abuse and Mental Health Program. After less than a year, she was promoted to Supervisor over Children Substance Abuse Program to include outpatient counseling and prevention services. Later, Roseboro began managing other community based programs such as the Manatee County Drug Court Program. Due to the excellent care that Centerstone staff provide, Centerstone continued to grow and as a result she began managing Centerstone Drug Courts in Sarasota County as well.

Currently, Roseboro is responsible for the oversight of the mental health services for Armor, which serves inmates at the Manatee and Sarasota County Jails and she oversees the Treatment Court Programs in both counties as well. 

Marilyn Agee RN, BSN – Director of Nursing

Marilyn Agee is the Director of Nursing at Centerstone Florida Mental Health and Addiction Hospital. She has 27 years’ experience with Centerstone in  supervising nursing care for adults, children and  families seeking Mental Health and Addictions services.

Agee received a Bachelor’s of Science in Nursing from Millikin University and certified as a Master Manager in 1995.     

Jeney Slusser; Director of Advancement

Jeney Slusser currently serves as the Director of Advancement for Centerstone Florida, maintaining particular focus on donor cultivation, special events, employee giving, grant writing and government relations. She has been with Centerstone for four years, first serving as Media Specialist for the organization.

Slusser received her degree from Middle Tennessee State University in Public Relations with a minor in Marketing and Organizational Communication. In her spare time, she enjoys yoga, running, travelling, trying new recipes, coaching her kids’ soccer teams (Violet and August), and occasionally binge watching Netflix.

Colleen A. O’Connor, SPRH, SHRM-SCP – Director of Human Resources

Colleen O’Connor is the Director of Human Resources at Centerstone Florida. She holds a Bachelor’s degree from Ohio University. She is certified as a Senior Professional in Human Resources by the Human Resources Certification Institute and as a Senior Certified Professional by the Society for Human Resources Management. She has over 10 years of experience in Human Resources.

Prior to specializing in Human Resources, O’Connor had over 20 years of experience operating residential, day and vocational programs for adults who have developmental disabilities and behavioral health needs.

Linda K Transue, CPHQ, LHRM, RHIT – Performance Improvement/Risk Management Director

Linda Transue is the Performance Improvement/Risk Management Director at Centerstone Florida. She is a Certified Professional in Health Care Quality, a Licensed Health Care Risk Manager and a Registered Health Information Technician. Transue has over 20 years of experience in Performance Improvement and has been Centerstone’s Corporate Risk Manager since March 2006. She has also been Centerstone’s Joint Commission Coordinator since 1999.

Mary Winters – Director of Client Records

Mary Winters is the Director of Client Records at Centerstone Florida. She has over 25 years of experience working in the field of Health Information. Winters oversees the Records Department and Front Desk/Customer Service.

Michelle Abercrombie, Director of Facility Management

Michelle Abercrombie, Director of Facility Management for Centerstone Florida. She directly oversees the maintenance, housekeeping, dietary, and transportation departments, and as a Director is also responsible for the entire Physical Plant operation, as well as all of Centerstone’s outpatient facilities. Her priorities are maintaining a safe, secure and healing environment for clients and staff, as well as keeping Centerstone audit ready for all agencies. 

Abercrombie also serves as the Safety Officer, and Chairperson of the Environment of Care Committee, dedicated to identifying and resolving safety issues for staff and clients, conducting internal drills, She also represents Centerstone on the ESF8, Manatee County Emergency Operations Center, and Organizations Active in Disaster. Abercrombie has studied at Manatee Community College, Texas A&M Engineering, The Department of Homeland Security, and FEMA, and has been certified with Emergency Management Institute, completing ICS 100 for health care and hospitals.

Abercrombie grew up in Manatee County, working in the community for over 25 years with Volunteers of America, Owner/Operator of Abercrombie Painting LLC., as well as her family’s business’s which included landscape architect and design.

Maritza Solis - Executive Assistant

Maritza Solis is the Executive Assistant to the CEO, the VP of Business Development and the Board of Directors at Centerstone of Florida. She is passionate about her job and believes in helping others and giving back to the community. Solis has been with Centerstone for 3 years, and previously held a position as an Executive Assistant to the CEO and Directors at a Behavioral Health company in California. She has served in a number of administrative positions throughout 10 years.