Dr. Kusi is an investment banker by profession. He has over thirty years of experience in the fields of investment banking, strategic management, Treasury management, Financial analysis and valuations, and Fund Management. He worked as the Chief Executive of uniSecurities GH. Limited until 2016, having had prior working experience as the Head of Operations with SIC Financial Services Limited. Dr. Kusi also worked as a General Manager at SDC Finance after working with NTHC Limited as Head of Corporate Finance & Research. His work experience include a seven-year stint with Social Security & National Insurance Trust (SSNIT) as a Corporate Planning officer and later as Deputy Head of Treasury.

He served as Board member on Bank of Ghana Board and was also the Committee chairman for Auditing and a committee member of the Strategic Planning & Budget of the Bank until 2017. Dr. Kusi also served as a Board member on the Board of UMB Bank. He holds a PhD in Finance (Financial Economics) from the University for Graduate Studies-Monarch Business School, Switzerland, a M.Sc. Banking & Finance from the University of Lausanne, Switzerland, a Master of Business Administration from London South Bank University, and a B.Sc. Computer Science from the Kwame Nkrumah University of Science & Technology. He is a Certified Treasury Analyst and has a number of publications to his credit.