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Leadership

Robert N. Vero, EdD – Regional Chief Executive Officer Robert N. Vero, EdD – Regional Chief Executive Officer

Dr. Robert “Bob” Vero serves as the Regional CEO in Tennessee and Georgia. He has worked in behavioral health care since 1976 and is a Licensed Marital and Family Therapist, Licensed Professional Counselor and Licensed Psychological Examiner. He has also worked as a psychological consultant to the Nebraska State Highway Patrol and the Nashville Metropolitan Police Department.

In 2018, he was named as co-chair of Nashville Mayor David Briley’s Community Behavioral Health and Wellness Advisory Council, which advises the mayor in setting priorities around behavioral health, mental illness and substance use issues. Vero is a two-time recipient of the Tennessee Association of Mental Health Organization’s Volunteer Leadership Award and has served three terms as president of the organization.

He received his undergraduate degree in psychology and his master’s in counseling from Creighton University in Omaha, Neb. Vero earned his doctorate in human development counseling from Vanderbilt University in Nashville.


Ben Middleton, MS – Chief Operating Officer Ben Middleton, MS – Chief Operating Officer

Ben Middleton serves as Chief Operating Officer in Tennessee. In this role, he oversees all of Tennessee’s clinical operations, which include outpatient clinic services; co-occurring disorder treatment; adult, adolescent and child case management; continuous treatment team; intervention services and court services. He specializes in alcohol and drug abuse treatment and services for those with mental illnesses.

A graduate of Alabama A&M University in Normal, Ala., with an MS in clinical psychology, Middleton has been with Centerstone since 1990.


Karen Rhea, MD – Chief Medical Officer Karen Rhea, MD – Chief Medical Officer

Karen Rhea serves as Chief Medical Officer in Tennessee. In this role, Dr. Rhea oversees Centerstone’s medical services and ensures that Centerstone’s psychiatric services are effectively integrated within programs.

Dr. Rhea has been at Centerstone since 2002 and has been interested in the use of psychotropic medications in community mental health settings, integration of related physical health parameters, research relationships with academic researchers, providing evidence-supported treatments that work, and in the leadership role of psychiatrists in community behavioral healthcare. She has also been a long-time facilitator of the Vanderbilt-Centerstone collaboration around teaching, research and clinical care.

Dr. Rhea received her MD with Honors from the University of North Carolina at Chapel Hill and completed her internship and residency in pediatrics at Vanderbilt University Medical Center.


Beth Hail, MSSW, LCSW – Regional Vice President Beth Hail, MSSW, LCSW – Regional Vice President

Beth Hail serves as Regional Vice President of the central region in Tennessee, which encompasses Davidson, Wilson, Williamson and Rutherford counties.

Previously director of the Centerstone school-based services as well as child and adolescent services, she is a 23-year veteran of the organization.

Hail holds a MA in social work administration from the University of Louisville and is a licensed clinical social worker.


Matthew Hardy, PhD – Regional Vice President Matthew Hardy, PhD – Regional Vice President

Matt Hardy is Regional Vice President for Centerstone in the northern part of Tennessee, overseeing behavioral health outpatient clinics plus case management, peer support, psychosocial and school-based therapy services among others.

He joined Centerstone in 2000 as a therapist, specializing in the treatment of adolescents and adults with severe and persistent mental illness.

Additionally, Hardy is a critical incident responder, providing post-crisis aid to clients such as the National Football League and Nashville Fire Department. He also helped launch the Steven A. Cohen Military Family Clinic at Centerstone, a facility that seeks to improve the quality of life for veterans and their families.

Hardy holds a PsyD in psychology from Wheaton College and is a licensed clinical psychologist.


Ken Stewart, MA, LPE – Regional Vice President Ken Stewart, MA, LPE – Regional Vice President

Ken Stewart serves as Regional Vice President for the southern region in Tennessee, including Hamilton, Franklin, Coffee, Moore, Bedford, Lincoln, Maury, Lewis, Giles, Lawrence, Marshall, Perry, Hickman and Wayne counties. He joined Centerstone 28 years ago.

Stewart holds an MA in Psychology from East Tennessee State University and is licensed as a senior psychological examiner.


Sallie Allen – Vice President of Support Services Sallie Allen – Vice President of Support Services

Sallie Allen is Vice President of Support Services in Tennessee. In this role, she provides leadership for the people who experience Centerstone first: our customer call center and our front office professionals. She also manages the construction, expansion, maintenance and effective management for each of the Centerstone facilities throughout Tennessee.

Allen brings over 20 years of experience and expertise in facility management and customer service to her position in Centerstone’s leadership team.


Brad Nunn, PhD – Vice President of Quality Improvement Brad Nunn, PhD – Vice President of Quality Improvement

Brad Nunn serves as Vice President of Quality Improvement in Tennessee. This role involves planning for improvement in care and services. He provides feedback to management regarding whether care and services meet expectations of customers and he provides leadership and direction for the Quality Council. In addition, his department plays a significant role in the ongoing preparation for CARF accreditation. They coordinate and facilitate clinical audits and the response to such audits done by external agencies. QI also maintains primary responsibility for oversight of follow-up regarding adverse occurrences and is responsible for oversight of the coordination of clinical training in line with strategic initiatives in Tennessee.

Dr. Nunn obtained a PhD in Clinical Psychology from Auburn University in 1987 and has been licensed as a Clinical Psychologist in the state of Tennessee since 1988. He helped establish a research department at Centerstone and served as Chair of the Centerstone Institutional Review Board from 2002-2007. He has been with Centerstone since 1987.


Julie Spears – Regional Finance Officer Julie Spears – Regional Finance Officer

Julie Spears serves as Regional Finance Officer in Tennessee, responsible for the general ledger and billing. Since joining Centerstone in 2009, she and her team have reduced bad debt from $3.6 million in FY09 to approximately $1 million in FY17, while net client service revenue for that same time period grew from $37 million to $59 million.

Spears is a 1993 graduate of Georgetown College in Georgetown, Kent., and has worked in mental health since 2001.


Becky Stoll, LCSW – Vice President of Crisis and Disaster Management Becky Stoll, LCSW – Vice President of Crisis and Disaster Management

Becky Stoll serves as Vice President of Crisis and Disaster Management in Tennessee. In this role, Stoll oversees the continuum of Centerstone’s crisis services, including the 24-hour crisis call center, the mobile crisis response team and Centerstone’s crisis management strategies, which is a public- and private-sector crisis preparedness and response service.

Stoll also represents Centerstone on a national and international scale through her roles as board chair and faculty member for the International Critical Incident Stress Foundation (ICISF). In addition, she serves as mental health faculty for the American Red Cross, clinical director for the Nashville Fire Department’s Critical Incident Stress Management team, chair of the State Disaster Mental Health Response Committee and consultant and trainer for the Airline Pilots Association (ALPA), the Association of Flight Attendants and US Airways.

Stoll has been with Centerstone for 16 years and previously served as director of crisis services and crisis management strategies. She holds a BA from Tennessee State University and an MA in Social Work from the University of Tennessee.


Gino DeSalvatore, MS – Director of Residential and Academy Services Gino DeSalvatore, MS – Director of Residential and Academy Services

Gino DeSalvatore is the Director of Residential and Academy Services. He has more than 30 years of experience working with children, adolescents and their families in psychiatric hospitals, residential treatment and foster care.

After completing his MA at Indiana University, he did post-graduate work at Harvard University, working with Eric Erickson as a research associate at the Eric Erikson Institute for Psychotherapy.

DeSalvatore has written and published a number of articles on children’s mental and behavioral health, including articles on working with families in residential care, juvenile fire setting, residential treatment programming and behavior management in residential care. He has also written chapters in two books: one on juvenile fire setting and one in the newest book on Re-Education.

He has served on a number of committees for the Tennessee Department of Children’s Services to improve the behavioral and mental health delivery system to Tennessee’s Children and Youth. His operation was one of the first providers to help DCS implement performance based contracting in Tennessee and in the first three years of this model has not only achieved but exceeded the expectations set forth by DCS.


Tonya Gilbert, MBA PHR, SHRM-CP – Director of Human Resources Tonya Gilbert, MBA PHR, SHRM-CP – Director of Human Resources

Tonya L. Gilbert is the Human Resources Director in Tennessee. In this role, she oversees employee relations issues and litigation matters, develops and implements cultural initiatives, ensures staffing requirements are met, ensures all procedures regarding employment and employees — including compensation, hiring and termination, assigned job responsibilities and others — are administered lawfully, equitably and in a manner that motivates employees to reach their full potential as individual staff members.

Her more than 15 years of HR experience has included support services, administration and labor relations over the course of her career.

Gilbert is a proud alumna of Tennessee State University, where she received a BS in speech communication/broadcast journalism. She also holds an MBA and a PHR and SHRM-CP certifications. She resides in Nashville.


Lacy Monday – Director of Crisis Care Services Lacy Monday – Director of Crisis Care Services

Lacy Monday is Director of Crisis Care services in Tennessee. In this role, she oversees the 24/7 crisis call center.

Monday has worked for crisis services in some capacity for over 5 years. She began her career at Centerstone as the Program Coordinator for two federal suicide prevention grants.

Monday holds a MA in social work from the University of Tennessee and is a licensed clinical social worker.


Sherry Randles – Director of Mobile Crisis Services Sherry Randles – Director of Mobile Crisis Services

Sherry Randles is Director of Mobile Crisis Care services in Tennessee. In this role, she oversees the mobile crisis care services for Bedford, Cheatham, Coffee, Dickson, Franklin, Giles, Hickman, Houston, Humphreys, Lawrence, Lewis, Lincoln, Marshall, Maury, Montgomery, Moore, Perry, Robertson, Stewart, and Wayne counties.

Randles has worked for crisis services in some capacity for over 10 years. She began her career at Centerstone as a therapist in 1995.
She holds a MA in Counseling from Trevecca University and is a licensed professional counselor.


Kathleen Rogers, LCSW – Director of Quality Improvement Kathleen Rogers, LCSW – Director of Quality Improvement

Kathy Rogers is Director of Quality Improvement in Tennessee.

After starting her career at Dede Wallace Center as an outpatient therapist, she worked for Miller Medical and Nashville Healthcare, providing outpatient services to Prudential/PruCare members, before moving into more administrative and UM roles with Columbia Healthcare Network. She began Quality Improvement work in 2000 with Magellan Behavioral Health and was hired at Centerstone in 2005.

She received her BA degree in psychology from Stonehill College in North Easton, Mass., and her MSSW from The University of Tennessee School of Social Work.

Rogers is a native New Yorker who has been in Nashville for nearly 40 years. She and her husband, Bob, have two children and one grandson.


Mandi Ryan, MSN, RN – Director of Healthcare Innovation Mandi Ryan, MSN, RN – Director of Healthcare Innovation

Mandi Ryan is Director of Healthcare Innovation in Tennessee. She is the Health Link administrator, which provides health home services by promoting whole-person care coordination, health promotion, and wellness coaching across all of the organization’s 19 outpatient clinics throughout Tennessee. She is leading the organization’s Behavioral Episodes of Care Initiative and Integrated Care primary care partnership in four of the outpatient clinics. She also serves as the project director for two Substance Abuse and Mental Health Service Administration (SAMHSA) Primary and Behavioral Health Care Integration (PBHCI) grants, which provide health home services to adult clients in Nashville and Clarksville, resulting in improved mental and physical health outcomes.

Under her leadership, Centerstone became one of the first providers to receive accreditation from the Commission on Accreditation of Rehabilitation Facilities (CARF) as a Behavioral Health Home for children and adults in May 2015 in four of the organization’s outpatient clinics and, in May 2016, received Health Home accreditation in all of the organization’s nineteen outpatient clinics throughout Tennessee.

Ryan has over 15 years of experience in nursing, behavioral health, primary care and integrated services. She received her BS in nursing in leadership and administration from Walden University and her BS in biology from Ouachita University. She enjoys spending time with her family and reading.


John Sanders – Director of Adult Residential Services John Sanders – Director of Adult Residential Services

John Sanders is the Director of Housing Services. He has been with Centerstone since 1999.

Sanders attended MTSU and TSU, and received an MS degree in guidance and counseling. He is part of the Homeless No More steering board.


Phyllis Viltz – Director of Special Projects Phyllis Viltz – Director of Special Projects

Phyllis Viltz is the Director of Special Projects. In this role, she oversees several Federal, State and local government grants. Among these are the U.S. Department of Veteran Affairs Supportive Services for Veteran Families (SSVF), the U.S. Department of Labor Re-Entry Services for Young Adults, the Tennessee Department of Mental Health and Substance Abuse Services Criminal Justice Liaison, Targeted Transitional and Community Targeted Transitional grants.

She has been with Centerstone for more than 20 years and has been in her current position since 2014.

Viltz graduated from the University of Tennessee, Knoxville, and Tennessee State University, and holds a Master of Science degree in guidance and counseling. She is licensed by the State of Tennessee as a Senior Psychological Examiner. She is a member of NAMI-TN and the American Psychological Association.


Scott Valentine, RHIA, CHPS, CHC - Compliance & Privacy Officer Scott Valentine, RHIA, CHPS, CHC - Compliance & Privacy Officer

Scott Valentine is Compliance & Privacy Officer in Tennessee. In this role, he is responsible for the administration, implementation and management of the Compliance and Privacy programs. Valentine is considered a subject expert on healthcare privacy and is a valued member of the compliance staff. He also serves as Title VI Coordinator for Tennessee.

A graduate of the University of Tennessee Health Science Center with a BS degree in Health Information Management, he joined Centerstone in 1998. He holds certification as a Registered Health Information Administrator (RHIA) from the American Health Information Management Association, and  certifications in Health Care Privacy (CHCP) and Health Care Compliance (CHC) from the Health Care Compliance Association.


  • Tennessee Board Members Back to top
  • Jim Sweeten, Chair
  • Dana Oman, Vice-Chair
  • Kate Satz, Secretary
  • R. Parker Griffith, Immediate Past Chair
  • Robert N. Vero, PhD, CEO
  • Jamie R. Arnett
  • Kathryn Berschback
  • Kelly P. Crockett Crook
  • Vincent W. Durnan Jr.
  • Mark Faulkner
  • Tracy Frist
  • Dr. Kevin Hamilton
  • Father Bill Midgett
  • Jill Obremsky, MD

View all Centerstone Board Members