 SAN DIEGO, CA, May 06, 2021 GLOBE NEWSWIRE -- GreenBox POS NASDAQ: GBOX GreenBox or the Company, an emerging financial technology company leveraging proprietary blockchain security to build customized payment solutions, announced that the Board of Directors has appointed Carl J. Williams to the Board of Directors. In a move to enhance the Companys governance and knowledge pool relating to international payment services and technology, GreenBox extended an offer to Mr. Williams to serve as a member of the Companys Board of Directors and he accepted and will immediately join the Board. 