Our Team

Sandra L. Harley serves as BIG4COC’s Executive Director and is the team leader on all projects. She sets the vision,  strategies, tenor, and the schedule — staging the ultimate success of each client project from start to finish. Sandy has 40 years of professional public health communications experience. 

With four decades of professional marketing, advertising, and public relations experience, she has spearheaded numerous statewide and local public awareness, community outreach, and marketing campaigns that got major results. A talented media planner/buyer, I have managed media budgets of more than $10 million and placed over $5 million in media buys.

Her forte is working with government, nonprofits, and healthcare entities, with an emphasis on social and behavior marketing. In 2020, she led her team in developing and executing a successful consumer education campaign realized as “Let’s talk about PrEP” aimed at reaching young Black women between the ages of 18-41 and older Black women 50+ about HIV awareness.

She is adept in visual communications (i.e., Zoom, Microsoft Teams, Google Meet). Sandy holds a Master of Science degree in journalism from the renowned Northwestern University Medill School of Journalism (magna cum laude) and a Bachelor of Arts degree in English from Morgan State University (cum laude), 1981 and 1980, respectively.

Kevin A. Mason serves as BIG4COC’s Licensed Clinical Professional Counselor and has worked in both the clinical and human service fields for 34 years, providing social and psychological support to managerial teams, staff, and to children and families with special needs and mental health disorders.

Reverend Mason accepted the call to ministry in 1989 and was ordained  in 1993. He has worked with the Behavioral Health, Recovery and Re-Entry populations from a psychospiritual perspective for over 36 years.  He has worked with people who have co-occurring disorders and has facilitated many psychoeducational and psychospiritual groups. Rev. Mason has facilitated workshops and seminars throughout the state of Maryland at annual conferences, in the workplace, to management teams, and with ecumenical congregations as well as clergy in the areas of behavioral health, wellness promotion, psycho-spirituality, and resilience.

He has served on state-wide committees and provided trainings across the state of Maryland. He has served as Adjunct Professor at Loyola University of Maryland at the graduate school level, where he developed and taught the curriculum for Cultural Diversity, Equity, and Inclusion in the Pastoral Counseling Department; Morgan State University, where he taught on the undergraduate level; and the Mayor’s Office of Employment Development for transitional aged youth.

Rev. Mason is a graduate of Morgan State University with a B.A. degree in English and a B.A. degree in Philosophy, 1981. He holds a M.A. degree in Theology from Saint Mary’s Seminary and University (1993) and a M.S. degree in Pastoral Counseling from Loyola University in Maryland (1997). He was inducted into the Alpha Sigma Nu Jesuit Honor Society in 2002. 

Ellis R. Harcum, Jr. serves as BIG4COC’s Digital Communications Manager and is the non-profit’s point guard. When you can’t get to Sandy, call Ellis. He knows the inner-workings of each task, assisting in executing project visions and strategies. Ellis has over 20 years of experience in project administration and has helped coordinate numerous public health communications campaigns successfully in a variety of areas. He is especially astute in producing and engineering webinars, podcasts, video communications, and visual communications. 

Ellis has served as team leader in messaging, video production, social media ad placement and developing analytics report. For example, Ellis was instrumental in the pre- production, production, and post-production of videos highlighting the mission and accomplishments of the Maryland Department of Health five Health Enterprise Zones, or H-E-Zs - which were implemented to reduce health disparities, improve health outcomes, and reduce health costs, hospital admissions and readmissions in Black and low-income communities. Ellis holds a Certificate of Ordination, Itinerant Deacon from the AME Church Board of Examiners and a Bachelor of Science degree in computer science from Towson University, 1986.