Business Directors

K Alexander Stewart, C.Chem. F.R.S.C. M.I.M.M
Chairman
Mr K. Alex Stewart founded the Alex Stewart International organization in 1978 after first gaining extensive experience in all aspects of sampling and assaying. Advancing from basic laboratory duties, Alex Stewart went on to gain a First Class Honours degree in chemistry and become an Associate and Fellow of the Royal Institute of Chemistry. Alex Stewart has more than 64 years of experience in the metal business. Alex Stewart was at the vanguard of developing modern assaying techniques and undertook research works in Atomic Absorption Spectroscopy as a new analytical method, especially for the determination of gold and silver.

While working at Alfred H. Knight, he introduced the company to the full Platinum Group Analysis associated with both Atomic Absorption and Fire Assay techniques. In 1967 Alex Stewart became a Director of Alfred H. Knight and was largely responsible for the worldwide expansion of the company during the next decade.

In 1978 he started his own company Alex Stewart Assayers Ltd. and built up a highly successful inspection and laboratory business in Knowsley, Liverpool.  He continued putting his knowledge of the metal business, managerial and people skills toward building up the network of other Alex Stewart companies to become one of the leading independent inspection and metal assayers in the world, acknowledged and accredited by reputable and well known metal institutions such as IPMI, LME, BIR and LBMA. In 2004, Alex Stewart Agriculture was merged by acquiring the A. Norman Tate and Huson and Hardwick Laboratories to provide GAFTA, FOSFA and UKAS accredited analysis for soft commodities such as grains, oilseeds, oils and fats to traders, millers, refiners and farmers mainly in Argentina, Brazil, Chile, India, Indonesia, Malaysia, Peru, Thailand, UK and the Ukraine. In 2010, AS International’s specialist metal laboratory became the newest partner to provide inspection and analytical services to the metal industry and became the business hub of the Alex Stewart International network of inspection offices. 

In 2013, Alex Stewart expanded its analytical services with the incorporation of a new metals laboratory located in Sefton Business Park, Liverpool, England.

Alex Stewart is a lifelong supporter of Liverpool Football Club and has proudly witnessed the club win an almost unparalleled 56 major trophies. T: 00 44 151 523 5438

Graham Stewart BA Hons; Dip mgt
Executive Director

Graham Stewart has been involved in a wide range of aspects of the business for more than 25 years. He is a graduate in Professional Management and Languages with a diverse experience of inspection and analysis operations and also organisation skills including governance, finance, website optimisation, sales and acquisitions. He recently led the project for building ASi’s newest laboratories in Liverpool. Graham has travelled and worked extensively in South America and helped the company diversify into the geochemical business in South America enabling exploration analysis for mining companies and then in more recent years for agricultural inspections on the South Atlantic Coast from both Argentina and Uruguay. Since 2004 he has also directed the group’s diversification into the soft commodities business – Alex Stewart Agriculture. T: 00 44 151 525 2132

Dr. Enrique Segura
Executive Director
Dr. Enrique Segura has held top executive positions within the financial and service sectors for the past twenty years and has extensive experience working with governments and managing large international companies. Dr. Segura was the president of SWIPCO, U.S.A., an international company providing procurement services to governments. He has also served as president and chief executive officer of ICS Inspection and Control Services Ltd., a company established to provide governments with services designed to increase their customs revenues, and Pricesaroundtheworld.com, an Internet company that provides comparative price information, price research and data mining services to members through its Web site. He has worked as an economist for the Inter-American Development Bank and as a financial officer for industrial sector projects for the World Bank. Dr. Segura was also the chairman of the Trust for the Americas and, since 1996, the Honorary Consul of the Republic of Uganda in Argentina. He holds a Ph.D. in Business Administration and MBA.

Erwin Flores
Executive Director
Erwin Flores has more than 25 years of professional experience, including 20 years in the management of governmental projects. He was executive vice president of SWIPCO USA, an international company providing procurement services to governments. A senior advisor to the president of the company, Mr Flores was chiefly engaged in the development of company programs. He has also served as executive vice president of ICS Inspection and Control Services Ltd., a company established to provide governments with services designed to increase their customs revenues, and of Pricesaroundtheworld.com, an Internet company that provides comparative price information, price research and data mining services to members through its Web site. Prior to that, Mr Flores was responsible for the development of spacecraft operations systems for NASA and INTELSAT. He holds a degree in physics