Skip to main content


Default Gradient

Johnita Walker Mizelle

Johnita Walker Mizelle

Managing Partner, ONYX Capital Advisors
United States

Johnita serves as the managing partner of ONYX Capital Advisors. She started the consulting firm with a mission to support the growth of diverse investment managers and operating companies with strategic fundraising and operating expertise. Johnita started the firm on the heels of a 25+ year career in financial services.

Johnita is the Immediate Past Chair of The Council of Urban Professionals (CUP) and led the organization during the Global Pandemic. She is a member of the National Association of Securities Professionals (NASP) and, for over five years, served as the Executive Director of the NY-NASP FAST Track Program, a high school financial literacy program for minority, female, and first-generation American students.

Johnita’s interest in global finance has taken her to assignments across Western Europe, the  Republic of South Africa, and Syria. She received a Bachelor of Science degree from Spelman College as a NASA Scholar and received her Master of Business Administration from Harvard Business School.  There she received the Morgan Stanley Fellowship and Dean’s Award.