About Us

Iggy Tan BSc MBA GAICD

Mr. Iggy Tan holds a Bachelor of Science degree from the University of Western Australia. He also has a Masters of Business Administration from the University of Southern Cross, New South Wales, and is a graduate of the Australian Institute of Company Directors.

Mr. Tan is a highly experienced mining and chemical industry executive with a track record of significant successes on commercial mining projects including capital raising, financing, construction, commissioning and operations. Mr. Tan has over 30 years of experience in the chemical and mining industries and has been a managing director of a number of ASX listed companies.

Mr. Iggy Tan has been Managing Director of Altech Batteries Ltd (formerly Altech Chemicals Limited) since August 2014 and a member of the Management Board of Altech Advanced Materials AG (AAM) since July 2019. He is responsible for leading and executing the next stage of the company's strategic objectives, which include the commercialization of the High Purity Alumina (HPA) project. Mr. Tan is an experienced project developer and manager who has been involved in the commissioning of seven resource projects in Australia and overseas, including high purity technology projects.

Mr Tan was previously a managing director of Nickelore Limited, Galaxy Resources Limited and Kogi Iron Limited.

Uwe Ahrens

Mr. Uwe Ahrens is an experienced industrial manager of the Melewar Industrial Group and Managing Director of Melewar Integrated Engineering Sdn Bhd. He is also a member of the board of several other public companies. Mr. Ahrens is Dipl. Wirtsch.-Ing. (MB) with a degree from the Technical University of Darmstadt, Germany. After completing his studies, Mr. Ahrens joined the international machine and plant manufacturer KOCH Transporttechnik GmbH in Germany, which is now part of the FLSmidth Group, where he held managerial positions for 12 years, mainly in Germany, the USA and South East Asia.

In 1997, Mr. Ahrens took over KOCH Southeast Asia in Kuala Lumpur as General Manager and was appointed Managing Director in 1999. He joined the Melewar Group in 2003 and is currently the Technical Director of the Khyra Holding group of companies, responsible for engineering, maintenance, modernization, conversion and expansion of machinery and equipment and their investment decisions.

Mr. Ahrens is a Director of Altech Batteries Ltd (formerly Altech Chemicals Limited) and Altech Chemicals Sdn Bhd. Mr. Ahrens has been a member of the Management Board of Altech Advanced Materials AG since July 18, 2019.

Hansjoerg Plaggemars

Mr. Hansjörg Plaggemars is an experienced company manager. From 1990 to 1995 he studied business administration at the University of Bamberg. Mr. Plaggemars has been working as an independent management consultant since June 2017 and as part of projects as a board member of various companies. Until April 2018 he was a member of the board of Delphi Unternehmensberatung AG and before that a member of the board of Deutsche Balaton AG.

Mr Plaggemars is a Director of Altech Batteries Ltd (formerly Altech Chemicals Limited). Mr. Plaggemars has been a member of the Management Board of Altech Advanced Materials AG since 2018.