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Seabrook, which is grounded in the Twelve Steps of Alcoholics Anonymous (AA) and Narcotics Anonymous (NA), provides a multifaceted medical approach to alcohol and drugs abuse, including yoga, EMDR, psychodrama, music therapy, and adventure based counseling. Our leadership team has more than 40 years of vast expertise and is committed to helping clients and their families make addiction recovery possible.

Meet Our Leadership Team

Margaret “Peg” Diehl

LCADC, ICADC Founder (1927 -2016)

“Peg” Diehl has helped write Seabrook’s rich, 44-plus year history as much as anyone. In 1974, she co-founded Seabrook with her late husband, Jerome J. Diehl. Peg designed and implemented the original family treatment program at Seabrook. She was a Certified Alcohol and Drug Counselor (CADC) (since 1977) and an Internationally Certified Alcohol and Drug Counselor (ICADC) (since 1991). In 2004, she became one of the first Licensed Clinical Alcohol and Drug Counselors (LCADC) in New Jersey. Peg began her recovery as a family member 45 years ago. She passed away on November 26, 2016. Her commitment and influence will carry on for years to come.

Edward M. Diehl


“Ed” began his career in the chemical dependency treatment field in 1976. A year later, he joined his family at Seabrook as a Certified Alcoholism Counselor (CAC). In 1986, Ed was named Vice President of Clinical and Community Services, overseeing all treatment activities and external communications. Shortly after his father passed away in 1989, Ed was made President of Seabrook — the position he holds today. Ed’s expertise lies in the areas of healthcare financing, development, public policy, and managing within a rapidly changing environment. In 2020,  Ed will be celebrating 46 years of sobriety.

David Russo


Medical Director

David P. Russo, MD, FACS serves proudly as Seabrook’s medical director. In 1986, Dr. Russo graduated from Hahnemann University as a doctor of medicine and completed his residency at Monmouth Medical Center. Following his residency, Dr. Russo joined the Surgical Associates of Huntingdon County where he began his surgical career. Doctor’s specialties included bariatric and various cancer procedures.  His duties include meeting with patients to provide thorough medical diagnoses, and directing medical staff. Upon achieving his fellowship of addiction medicine in 2019, David Russo became a member of the American Society of Addiction Medicine and a certified preventative addiction medicine provider.

Matthew J. Wolf

Vice President Business Operations

“Matt” oversees all business development functions: triage/assessments, admissions, marketing, public relations, advertising, call center helpline, care management, clinical outreach and contracts management. In addition, Matt supervises medical records and information technology at Seabrook, which includes the operation of Netsmart’s TIER electronic medical record (EMR). In his 30 plus years with the organization, Matt has served as a Helpline Counselor, Director of Admissions, Grants Manager, Outpatient Office Manager, Community Relations Representative, Director of Business Development, and in his current position, as Vice President of Business Operations. In 2020, Matt will celebrate 36 years in recovery from chemical dependency.

Rebecca Flood

Rebecca Flood

Vice President of Treatment Services

Becky first joined the Seabrook team in 1978. For 26 years, Becky oversaw the organizations residential and outpatient treatment programs and the planning of specialized treatment for women, adolescents, and individuals with co-occurring disorders. She also served 14 years as an active board member.  Her career in the healthcare industry has spanned four decades across the entire country. After leaving Seabrook, Becky went on to assume the position of President and CEO in southern California, and later President of a facility in Maryland.

Becky decided to go full circle and come home to her beloved Seabrook where she can serve alongside her two trusted and passionate Colleagues Ed Diehl and Matt Wolf. She is pleased to be back home with her work family. Her focus as Vice President of Treatment will give her the distinction of heading Seabrook’s quality improvement priorities in residential and outpatient clinical services, and assisting all departments in our ambition to expand our expertise in the area of mental health and co-occurring disorder treatment.

After obtaining her Master’s degree from Lincoln University, her accomplishments include being a Nationally Certified Drug and Alcohol Counselor (NCAC II), Certified Intervention Professional (CIP), and a licensed Certified Alcohol and Drug Counselor. Additionally, Becky has served as a CARF surveyor, was a member of the National Association of Addiction Treatment Providers (NAATP) board, TRIAD Addiction Recovery Services Board, former member of the Seabrook Board of Directors, and past President and Co-Founder of the Women’s CEO Global Alliance. Now, Becky is excited to rejoin the organization she has served and loved for many years.

James M Wolf

M. James Wolf M.B.A

Director of Admissions

James started at Seabrook in 2012 as a Recovery Coach for our former Seabrook West facility. James has also held the positions of Recovery Coach, Admissions Counselor, and Coordinator of Outpatient Business Operations. James has been the Director of Admissions at Seabrook since 2015. As the Director of Admissions, James oversees patient admissions into all of the Seabrook programs, operation of Seabrook Call Center, the Utilization Review Department, and the daily business operations for all Seabrook outpatient offices. James received his M.B.A from Columbia Southern University and currently working on his Doctor of Business Administration Degree. Prior to coming to Seabrook, James worked for a health system in central Pennsylvania for nine years as an Emergency Medical Technician providing emergency care to individuals who called 911. James has also been a volunteer firefighter since the age of 16, and holds numerous national certifications for the fire service. He currently volunteers for his local fire district in Washington Township.