Our Team

Jeremy Klemanski brings to Gateway Foundation his understanding of addiction and mental health services and his passion for building access to quality programs, with more than 27 years of frontline behavioral health experience.

Most recently, Jeremy served as Chief Executive Officer of Helio Health and The Helio Health Foundation in Syracuse, New York. Through his skilled management, Klemanski accelerated new business expansion, growing Helio Health 1300% and expanding into several cities, including Binghamton, Rochester, Utica, Johnstown and Syracuse, furthering the organization’s reach and reputation. He also created several new programs, founded the Helio Health training institute, and led multiple non-profit corporate mergers.

Jeremy graduated from the State University of New York Polytechnic Institute with a Bachelor of Science degree, and from Syracuse University with a Master of Business Administration degree.

Marc Turner manages Gateway’s Community Division, which provides services at sites in Illinois. He joined Gateway as community president in December 2017 and brings with him extensive experience working with substance use disorder treatment as well as mental health treatment programs. He has operated facilities providing all levels of care in six different states. Throughout his career, Marc has expanded services for targeted communities and has opened numerous new programs. He has also had the opportunity to lead programs and teams through diverse program development with an emphasis on improving the patient experience, raising the standard of staff competence and delivering measurable outcomes.

Marc holds a bachelor’s degree in organizational communication from the University of North Carolina at Chapel Hill and a master’s degree in adult education and industrial sociology from North Carolina State University. He has worked with teams to advance staff development programs and is a well-respected and lively program speaker.

Gregg Dockins serves as the President of Operations, overseeing all operational functions of Gateway’s Community and Corrections Services divisions nationwide.

Hired in April of 2000, Mr. Dockins began his service to our mission when he was hired as the program director of Gateway’s community-based facility in Dallas.  He managed the Dallas program for five years before moving to Illinois in 2005 to direct the Sheridan Correctional Center Therapeutic Community (Illinois Department of Corrections).

Following that assignment, he was asked to lead the growth and expansion of correctional treatment services across the nation, and was ultimately promoted to lead all Corrections Division operations in 2013.  Gregg has co-authored manuals on chemical dependency counselor training, is a contributing author on two college textbooks and worked as the principal author of the Sheridan Correctional Center Integrated Standard Operating Procedure Manual for the Illinois Department of Corrections. Gregg remains committed to personal and professional advocacy aimed at advancing the field of substance use disorder treatment, both within community settings and with criminal justice-involved populations.

Gregg holds a bachelor’s degree in psychology from Wayland Baptist University and completed graduate coursework in sociology at the University of Texas-Arlington. He is a Certified Criminal Justice Addictions Professional (CCJP) and has been a licensed substance abuse counselor (Texas: LCDC) since 1991.

Pat Sanchez-Aitken brings a wealth of knowledge and leadership experience in human resources to Gateway. Prior to joining Gateway in 2016, Pat served as an assistant vice president of human resources for a multi-billion-dollar financial services corporation as well as a large nonprofit social services organization. In her 25-plus-year career, Pat has developed expertise in HR strategy, succession planning, leadership development, board development and employee engagement. She is an active member in her community and has served as a governing council member at Good Shepherd Hospital in Barrington, IL for nine years.

Pat holds a master’s of business administration from the University of Illinois at Chicago and received her bachelor’s of business administration from Loyola University Chicago.

Dan Molitor joined Gateway in 1998 as vice president of information services and is responsible for all information technology initiatives. The primary responsibilities encompass a wide variety of strategic technology issues: governance and policy, resource allocation, project management, information technology protocols, the delivery of IT infrastructure and services, information security systems and compliance, administrative systems and support services. As a member of the executive management team, he additionally participates in administrative operations, including mergers and acquisitions.Prior to joining Gateway, Dan worked with for-profit and nonprofit organizations, including a global closure manufacturer and Lutheran Social Services, a major nonprofit social service organization based in Illinois with 120 locations.

Dan has been an instructor at Governors State University and South Suburban College and received bachelor’s and master’s degrees from Governors State University.

Dr. Roueen Rafeyan brings over 20 years of specialized experience to Gateway, having served as a medical director for psychiatric and substance use programs at leading Illinois healthcare institutions including Rush, Michael Reese, Resurrection and Presence Behavioral Health.

As chief medical officer, Dr. Rafeyan is responsible for continuously advancing Gateway’s wide array of services; upholding medical protocols, policies and procedures; as well as working closely with Gateway’s team of experienced physicians and clinicians to deliver comprehensive high-quality addiction, psychiatric and medical treatment as needed for each patient.

In addition to Dr. Rafeyan’s extensive medical experience, he is also a diplomate of the American Board of Psychiatry and Neurology and the American Society of Addiction Medicine. He is currently on the faculty at Northwestern University and an active member of the American Medical Association, American Psychiatry Association, Illinois Psychiatric Society and Illinois State Medical Society.

Robert Miller joined Gateway Foundation in 2023 bringing 25 years of healthcare marketing experience from start-ups to Fortune 200 global healthcare companies. Robert has a passion for building brands and growing companies via strategy and execution. Most recently, he served as Chief Marketing Officer at a digital-first start-up telehealth company where he led branding and marketing efforts for primary care and chronic care services including mental health care. 

Robert earned an M.B.A. from the Kellogg Graduate School of Management at Northwestern University and completed his undergraduate degree at the University of Wisconsin, Madison.