Leadership Team

Australian Securities Exchange (ASX) company code IXR
Why Ionic?

Meet Our Leadership Team

Tim Harrison (BE(Chem), FAusIMM)

Managing Director

Mr. Tim Harrison initially joined the Company in the role of Project Manager of Makuutu Rare Earths Project at the start of 2020. Since then he has been driving development and value creation, and was appointed CEO in June 2020 and was appointed Managing Director in December 2020.

Mr. Harrison holds a Bachelor of Chemical Engineering and has over 20 years of experience and an extensive and successful track record in the fields of both mineral processing and hydrometallurgy across multiple commodities.

Mr. Harrison has been involved in project development, process and flowsheet development, studies, test work planning and supervision, engineering, construction, commissioning, operations and project management.

Max McGarvie (MBT, MAICD, FAIM)

Non-Executive director

Mr. McGarvie is a senior mining executive with an extensive portfolio of technical/managerial appointments in a career exceeding 45 years in mine development, mineral processing, operational and management roles across Australia, Africa and the Middle East.  

Mr. McGarvie has a long and distinguished career in the mining industry, a significant portion of this with Iluka Resources Limited and prior entities, including development roles within its mineral sands operation at Eneabba, Western Australia and a major role in returning the Sierra Rutile mineral sands operation in Sierra Leone (operated by Iluka) to profitable operations following the civil war in that country.

Mr. McGarvie’s career has covered a range of senior roles in the mining sector including Production Manager, through Registered Mine Manager to CEO, and he has a deep knowledge and understanding of the African environment and project development in this theatre.

Nitin Tyagi


Nitin Tyagi has 12 years of experience in the US technology industry across electric vehicles, batteries, consumer electronics, LEDs and displays. He currently serves as VP of supply chain at Our Next Energy (ONE), a battery company based in Novi, Michigan.

Prior to ONE, he was the Director of Battery Supply Chain at Rivian Automotive managing all nodes of the battery supply chain from mines to battery packs to recycling. He scaled-up and ramped 4 electric vehicle programs (R1T, R1S, EDV NCM, EDV LFP) from pre-production to launch to raving customer reviews. In particular, he drove the iron-phosphate (LFP) chemistry adoption on Amazon Electric Delivery Vans (EDV) resulting in significant cost savings.

He is the co-inventor of 12 US patents and holds a MS in material science from University of Rochester and a B.Tech in metallurgical engineering from Indian Institute of Technology Roorkee.

Nitin Tyagi
Sufian Ahmad

Sufian Ahmad


Mr Ahmad brings strong legal, business and marketing expertise to the board with over 10 years’ experience in the resource sector in the provision of corporate advisory services.

Mr Ahmad is the founder of Sixty Two Capital, an advisory firm specialising in the growth and funding of emerging ASX companies. In January 2023 Sufian was made Non-Executive Chairman of Pathfinder Resources Pty Ltd, after joining the board as a Non-Execuitve Director in March 2020.


MBA, Dip. Financial Planning, PG. Dip. Commercial and Resources Law, Ba. Law (Hons), Ba. Arts

Brett Dickson (B. Bus, FCPA)

Company Secretary

Mr Brett Dickson has over 20 years’ experience focusing on the start-up, restructuring, management, growth and financing of emerging publicly listed exploration and mining companies, including projects advancing from exploration through development to production. This experience ranges through a spectrum of activities; from capital and debt raisings, corporate restructuring and stock exchange listings. He has been a Director of, and involved in the executive management of, a number of publicly listed resource companies with operations in Australia, Nicaragua, Chile, Mexico, Finland, Ukraine, Laos, Papua New Guinea and South Africa.

Mr Dickson has a Bachelor’s degree in Economics and Finance and is a Fellow of the Australian Society of Certified Practising Accountants. He has been Company Secretary for a number of successful resource companies listed on the ASX. Mr Dickson was appointed a Director of Ionic on 21 November 2014 and is also a director of Rox Resources Limited.

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