He is a Fellow of The Chartered Institute of Marketing, UK and a member of the International Social Marketing Association of USA. He is a Doctoral candidate at the University of Bradford School of Management UK. He holds a Masters in Business Administration from the Postgraduate Institute of Management, Colombo and a Postgraduate Diploma in Marketing from CIM UK. He is a visiting faculty for MBA programs. He is a Past Chairman of the Chartered Institute of Marketing Sri Lanka Region and was a Trustee of CIM UK representing the International Regions. He is also a member of the Editorial Board of Social Marketing Quarterly, published by SAGE Publications USA.

Shiraz has over 30 years of commercial experience in multitude of industry sectors specializing in Strategy and Organizational Design & Development. He has worked in the sectors of hospitality, apparel, food & beverages, financial services, information technology and banking by working for some of the leading regional and global brands like Dilmah, LOLC, Hewlett Packard, and HSBC. He founded Hummingbird International (HBI) as a boutique consultancy firm.