Charlena Young serves with the US Department of Transportation and brings deep expertise in organizational leadership and strategy to the SEM Link board.

MaKayla Mitchell is a plant scientist with the Georgia Department of Agriculture, passionate about connecting youth to careers in agricultural and plant sciences.

Edwina is a dedicated community leader, connector, and advocate with a strong background in healthcare administration and community engagement. She earned her Bachelor of Science in Health Science from and a Master of Public Health Administration. 

With extensive experience in healthcare, health education, and community engagement, Edwina is passionate about advancing equitable access to resources and empowering individuals through education and advocacy. She currently serves as the incoming President-Elect of the Junior League of Douglas County and works closely with Pillars Initiative, where she continues to lead impactful initiatives that strengthen and uplift the community.

As a project management professional and consultant, Edwina brings strategic insight, collaboration, and a results-driven approach to every endeavor. Outside of her professional and civic commitments, she is a proud mother of two and enjoys traveling and creating meaningful memories with her family.

Shea Johnson is a seasoned leader with over 27 years of federal service at HUD and EPA, where she advanced initiatives in affordable housing, environmental protection, community development, and climate resilience. Earlier this year, she transitioned from her role as HUD’s Georgia Field Office Director to co-found Pivotal AI Consulting, a firm that helps organizations leverage AI and strategic innovation to strengthen impact in housing, environmental cleanup, workforce development, and community engagement. In addition, she is pleased to be a part of Aevolve Green Solutions (AGS), which is committed to building sustainable communities by providing affordable housing and supportive services to end homelessness. 

Shea brings extensive experience in environmental justice and sustainability from her time at EPA, where she managed complex Superfund cleanups and led programs promoting renewable energy on contaminated lands. She is a motivational speaker who is fueled by lifelong learning and passionate about helping women step confidently into their potential.

Beyond her professional career, Shea is committed to youth leadership and STEM education, serving with the Buckhead Atlanta Chapter of Jack and Jill of America, Inc., and as a returning board member of Science Engineering and Mathematics Link. She holds an M.S. in Agricultural and Environmental Chemistry from UC Berkeley and a B.S. in Chemistry from Spelman College. She is married and has a teenage daughter and an adult bonus son.