Who We Are

Jay Higham
Chief Executive Officer

Jay Higham is an experienced health care services executive with over 30 years of experience driving organizational success in high growth, multi-location, emerging health care businesses. He has been recognized for consistently leading business expansion through infrastructure development, new or repositioned products and services, pricing and financing models, market expansion, acquisitions and new location development. He is adept at sourcing public and private capital, and the investor and community relations required for expanded market penetration.

Jay is passionate about BHG’s mission to help solve the growing opioid addiction epidemic in the United States. In joining BHG, his vision was to help expand access to medication-assisted treatment, the gold standard of care. In support of these efforts, he directed and oversaw the development of the Revenue Cycle Management Department, increasing BHG’s ability to partner with 3rd party providers. Jay has also been committed to improving BHG facilities and technology across the company. As CEO, he has led the company in a dedication to providing high-quality care under the disease model of addiction.

Prior to joining BHG, Jay was Chairman, President and CEO of IntegraMed Amercia, Inc., a Nasdaq listed company which was the leading provider of infertility and varicose vein treatment in the United States. During a 10-year period, he led the company’s growth from four locations in New York to a national network of over 175 locations.

Christopher Marshall, M.D.
National Medical Director

Dr. Marshall received a Bachelor of Science in Biology and a Bachelor of Arts in Philosophy from The University of Tennessee at Martin. He received his Doctorate of Medicine from the University of Tennessee College of Medicine and completed a Family Medicine Residency through the University of Louisville in Glasgow, Kentucky, where he first became interested in addiction medicine. He became board certified in Family Medicine in 2009 and then in Addiction Medicine in 2010 through the American Society of Addiction Medicine. For five years, Dr. Marshall practiced Family and Addiction Medicine before transitioning to full time addiction treatment with Behavioral Health Group in 2014.

As the National Medical Director for BHG, Dr. Marshall provides leadership and guidance in support of the medical mission of BHG. That mission is to provide medication-assisted treatment with a sense of hope and respect. Dr. Marshall currently provides care for BHG patients in West Tennessee.

Before becoming National Medical Director, Dr. Marshall worked for BHG at treatment centers in Jackson, Paris and Dyersburg, TN, as well as Paducah, KY. Dr. Marshall also holds a teaching position on faculty with the Addiction Medicine Fellowship program through the University of Tennessee. Most recently, he received the new board certification in Addiction Medicine through the American Board of Preventive Medicine.

John Lund
Chief Financial Officer

John Lund serves as CFO of BHG, where he is responsible for managing the financial health and strategy of the company. John has over twenty-five years of CFO and financial executive experience encompassing private equity backed, high-growth, multi-state companies. John also has experience in the complete life cycle of mergers and acquisitions (M&A), analyzing the financial performance of business operations and establishing the financial infrastructure needed to support operations, growth and profitability.

Prior to joining BHG, John served as the CFO at Reliant Rehabilitation, a private equity backed company which provides physical therapy at over 600 skilled nursing facilities in 27 states. Additionally, John held financial leadership roles at both public and private companies. John began his career with the Dallas office of KPMG where he served as audit manager.

John is a Certified Public Accountant and received his MBA from Kellogg at Northwestern.

Dwight Mussleman
Chief Development Officer

Dwight brings 26 years of healthcare corporate and business development expertise to Behavioral Health Group. As Chief Development Officer, Dwight is responsible for establishing and fostering key external relationships to successfully enter new markets and expand the company’s presence nationwide via treatment center acquisition, de novo (new site) development and real estate. In addition to overseeing acquisitions, he has provided leadership for BHG’s many infrastructure improvement projects.

Before joining BHG, Dwight served as Vice President of Business Development with Alliance Oncology where he led the oncology division’s strategy of acquiring community cancer centers and partnering with hospital based cancer centers. Prior to his position with Alliance, Dwight led all the business development activities including sales strategy, mergers and acquisitions and product offering as Vice President of Business Development for Global Physics Solutions. Prior to Global Physics, Dwight spent 14+ years with US Oncology in various roles including Vice President of Physician Development where he established the internal physician recruiting department and lead in market acquisitions.

Monna Nevils
Chief Human Resource Officer

Monna Nevils is a strategic Human Resources leader with more than 15 years of success across a variety of industries (multi-site, multi-state, international operations). Monna brings a results-oriented approach to all facets of Human Resources. Throughout her career, she has demonstrated the ability to align, link and scale people practices that drive growth.

Since joining BHG in the fall of 2015, Monna has served as a thought partner, mentor and coach to the leadership team and as collaborative leader across the company at all levels. She worked with the executive team to define and operationalize a culture based on the belief that addiction is a brain disease, not a moral failing. Using that belief as a firewall, she developed a culturally powered HR infrastructure that supported aggressive, rapid growth, primarily through acquisitions—nearly doubling the size of the workforce—while automating labor-intensive manual processes with new technology implementations and developing a high-performing HR team responsive to the needs of the business and BHG’s workforce. By elevating the BHG recruitment brand externally using social media, the company doubled its candidate pool, reduced applicant abandonment, improved time to fill, improved the vacancy rate and reduced turnover. She led efforts to professionalize staff, improve first line management and promote the advancement of talented staff members.

Before joining BHG, Monna served in leadership for high value brands such as JLL, Bank of America and P&G. She is a frequent guest speaker, trainer and panelist at professional conferences. She has served as a Board Member of My Sister’s House, an organization that supports victims of domestic violence.

Derek Walsh
Senior Vice President- Operations

As Senior Vice President of Operations for Behavioral Health Group, Derek provides leadership and guidance to our Management Team in all facets of treatment center operations. Over the course of his time with Behavioral Health Group, Derek has served in every management role from Program Director to his current role of SVP – Operations.

In support of the company’s growth objectives, Derek has been instrumental in creating and executing multiple programs to ensure Behavioral Health Group can continue to lead in the field of opioid addiction treatment. In 2015, he established and scaled the BHG New Intake Call Center and assisted in the development of our initial third party insurance department capability. Additionally, he has led the onboarding and training of over 20 newly acquired treatment centers, ensuring their integration into the company’s necessary systems.

Prior to joining Behavioral Health Group, Derek spent six years in the US Army as an Air and Missile Defense Officer. In that time he served in leadership roles of escalating importance and in multiple theaters of operations. Awards for his service include the Bronze Star Medal and Meritorious Service Medal.

Jeremy Wilkerson
Senior Vice President- Operations

Jeremy brings 15 years of healthcare operations and general management experience serving in diverse healthcare industries that include dialysis, prisons, home health and clinical trials. He has a consistent track record for success managing hyper-growth and turn-arounds in multi-site healthcare industries. In his role at BHG, Jeremy leads efforts in existing clinics to optimize clinical and business outcomes. Jeremy has been instrumental in developing and driving key performance metrics throughout the organization and promoting a culture within the company based on the brain disease model of addiction treatment.

Prior to joining Behavioral Health Group, Jeremy was the President of a clinical research organization that provided full outsourcing solutions for clinical trials for complex biologic drugs at sites across 12 states.

Marlin Martin, MSW, LCSW, C-ASWCM
Vice President- Regulatory and Clinical Affairs

Marlin brings 36 years of combined medical and mental health leadership expertise to BHG. As VP of Regulatory and Clinical Affairs, Marlin is responsible for providing the leadership, management, and vision necessary to ensure that the organization has the proper administrative and regulatory reporting procedures and systems in place to effectively grow the organization and to ensure financial strength and regulatory compliance. In addition, Marlin serves as the Program Sponsor for each BHG program and he chairs the Compliance and Regulatory Affairs subcommittee sponsored by BHG’s Board of Directors.

Before joining BHG, Marlin held leadership positions at the Missouri Department of Health and Senior Services in the bureau of HIV and Hepatitis, overseeing statewide and regional case management service delivery. In addition he has served as adjunct faculty at several graduate schools of Social Work teaching Policy, Human Diversity and Clinical Interviewing Skills. He has served on numerous non-profit boards, and has engaged in his own private counseling practice.