
Sonjia Simpson-Gardner, CMP, DES, is the powerhouse CEO of Infinity Consulting Services, Inc.—a Metro Detroit-based, Minority-Owned firm with a proven track record of over 15 years in delivering top-tier services in event coordination, corporate event planning, HR training, and business consulting for both corporate and nonprofit organizations. Formerly WBENC Certified, Infinity Consulting has become a trusted name under her dynamic leadership.
Ms. Simpson-Gardner holds a degree in Human Resource Training and Development with a minor in Labor and Employment Laws from Oakland University (1996). Her passion for events led her to complete the Event Planning Design and Management program at Western Michigan University in 2013. In 2020, she earned two of the industry’s most prestigious credentials—becoming a Certified Meeting Professional (CMP) through the Events Industry Council and a Digital Event Strategist (DES) through the Professional Convention Management Association—positioning her to operate at the highest level of excellence in the meetings and events industry.
A certified Meeting Manager and Golf Tournament Associate of America, Sonjia brings unmatched expertise and contagious energy to every project. From conceptual design and logistics to hands-on decorating, bartending, and execution—she does it all. She’s not just an event planner; she’s a force behind world-renowned events, combining strategic thinking with an eye for detail and an unwavering commitment to quality.
In addition to leading Infinity Consulting Services, Sonjia is the founder of Jr./Sr. Entrepreneurs, Inc., a nonprofit established in 2011 that provides youth with innovative alternatives to traditional post-high school options, such as college or military service.
Her professional affiliations reflect her dedication to leadership, service, and continued growth. She is a proud member of Alpha Kappa Alpha Sorority, Inc., Professional Convention Management Association, Events Industry Council, National Coalition of Black Meeting Professionals, and the National Association of Real Estate Brokers.