Circles of Color Business Network

Executive Board Members


Walter H. Hall Chairman/Chief Executive Officer

Walter Hall has devoted his professional life to the field of Business Resiliency and is considered to be an expert on the subject by numerous professional organizations including the Contingency Planning Exchange of New York. Walter is a trusted advisor who has over 27 years of experience guiding senior executives in the financial services, insurance, healthcare, manufacturing, pharmaceutical, universities and more...


Isaiah M. Jefferson Co-founder / Ambassador

Isaiah M. Jefferson is Co-founder of the Circles of Color Business Network International, LLC (COC) along with his wife, Co-founder Kayellen Dunston-Jefferson, through the blessings of God. It was only seven years ago that they had a vision to lead a global generational networking movement, bringing together diverse entrepreneurs, professionals and community leaders with the purpose of cultivating our next generation. More...


Kayellen Dunston-Jefferson Co-founder / Ambassador Communications Liaison

Kayellen Dunston-Jefferson is the co-founder and VP of Corporate Communications of the Circles of Color Business Network International, LLC in Englewood, NJ. She grew up in East Orange, NJ attending diverse Catholic schools. At a very young age she was taught the value of volunteering by her mom, and more...


Roger Hertzog Chief Financial Officer

Roger S. Hertzog is a long time resident of New Jersey and received his education from George Washington University located in Washington DC. His major was Accounting and he as practiced as a CPA for over 30 years. more...


Nicole Chen (Next Generation) Special Projects Officer

Nicole Chen Nicole Chen is a current senior and member of the Finance Academy at the Academies at Englewood. She plans to major in the field of business along with a minor in law or psychology. Throughout her entire academic career Nicole has always held her place on the honor roll, while also ranking in the more...