R.G. Melgaard, BSc, BEc, MBA


Mr. Melgaard joined the board in December 2004.  He was appointed Deputy Chairman in April 2007 and Chairman in February 2012.  In 1977, Mr. Melgaard joined leading management consultancy McKinsey & Company, working in the United States and Australia. He went on to co-found AFP Investment Corporation, an ASX-listed investment firm. AFP acquired interests in office equipment, resources, fire protection, media, agribusiness and brewing. Mr. Melgaard now acts as an adviser to Waverton Holdings Limited, which holds the private equity interests of the Melgaard family and has investments in resources, capital equipment, and technology. Waverton is the largest shareholder of emew.

Mr. Melgaard is an enthusiastic supporter of the arts.  He served as Chairman of the Orchestra of the Age of Enlightenment for 8 years and currently advises a number of arts organisations.

Mr. Melgaard has degrees in science and economics from Monash University in Australia, and an MBA from Stanford University.


I. D. Ewart, BE/BSc, MBA

CEO and Deputy Chairman

Mr. Ewart is a Chemical Engineer specializing in metallurgical process development. He is based in Vancouver, Canada, and for many years ran the group’s activities in North and South America (as well as further afield, as required), before being appointed Acting CEO on 31 May 2011 and then CEO on 16 February 2012.  Mr. Ewart led the Group’s restructuring efforts in 2015 to streamline operations as Deputy Chairman.


T. M. Bergfeldt, BSc (Chem) and PhD (Chem)

Vice President (Operations & Strategic Development), Director

Dr. Bergfeldt is based in Vancouver, Canada and is responsible for overseeing operations, technology evaluations, strategic development and digital marketing.  Prior to joining the emew Group in August 2012 as VP Sales & Marketing, he worked for Teck Resources and Delkor-Bateman bringing experience in chemistry, metallurgy, process design and modelling, project management, process optimization, solid-liquid separation, business development and marketing. He was appointed Director in April 2014 with an appointment to the emew Group Board in June 2015.

Rob Mills

R. J. H. Mills, MA (Cantab), MSc (Business)

Non-executive director. 
Member of the audit committee and remuneration and nominations committee.

Mr. Mills joined the Group in February 2008 as chairman of the company’s then subsidiary, Kurion Technologies, and was subsequently appointed to the Board of the parent company in 2009. He has over 35 years’ experience at chief executive and board levels in several large publicly traded companies, with operating experience both in domestic and export markets in Europe, USA and Asia.


A.G. Patel, M E (Chemical)

Vice President (Engineering), Director

Mr. Patel holds a masters degree in Chemical Engineering and joined the company in January, 2013. He has more than 22 years of experience in hydrometallurgical processing, process and engineering design, project management, operations management, process optimization and product development. Formerly he held the position of Senior Vice President with SOMIKA SPRL in DR Congo and also worked in Rubamin Limited based in India.  Mr. Patel was appointed to the Board in April 2016.


Sebastian Tang

Chief Financial Officer

Mr. Tang is a Chartered Professional Accountant (CPA-CA), Chartered Alternative Investment Analyst (CAIA) and holds a bachelor degree in Mechanical Engineering and joined the company in December, 2015. He has more than 15 years of experience in financial controllership, public company financial audit, financial due diligence, project financing and Canadian tax. Formerly he held the position of financial controller Hunter Dickinson Inc. and senior auditor with Ernst Young LLP.