Dr. Gabriel Walter

Founder & Group Chief Executive Officer


Gabriel Walter hails from Sarawak, Malaysia and is part of the ethnic minority group of Kelabit. He received his B.S, M.S, and Ph.D. degrees in electrical engineering from the University of Illinois-Urbana Champaign (UIUC), Urbana, IL, in 1998, 2001, and 2003, respectively. He spent a total of 17 years in Illinois and Wisconsin, USA before permanently returning to Malaysia in 2013.

He is currently, the Group CEO, Adjunct Assistant Professor and major shareholder of Quantum Electro Opto Systems (QEOS) Sdn. Bhd., a Malaysian technology company which he co-founded in 2008 with Prof. Nick Holonyak Jr, the inventor of the Light Emitting Diode (LED) and Prof. Milton Feng.



Mohd Ghazali Mahmood

Executive Director


Mohd Ghazali Mahmood received his B.SC. Civil Engineering (Hons.) from the University of Southampton (UK) in 1975 and Diploma in Hydro Power from the Norweigian Institute of Technology, University of Trondheim (Norway) in 1981. He was a founding director of QEOS when it was incorporated in 2008, and is presently its Executive Director.

He started his career with the National Electicity Corporation where for nine years he was involved in the development of some of the major hydropower projects in Malaysia, namely the Temenggor and Kenyir Hydroelectric Power Plant Projects.


Lam Poh Lian

President & Chief Executive Officer


Lam Poh Lian serves as Chief Technology Officer of Quantum Electro Opto Systems (QEOS), a technology company producing cutting edge connectivity technology solutions that includes more than 50 patents applied and awarded worldwide to provide people, power and data connectivity technology. She started her career in 2009 upon receiving her B.S degree in Chemical Engineering and later received her M.S electrical and electronics engineering degree from the University of Illinois-Urbana Champaign (UIUC), Urbana, IL, in 2014 specializing in high-speed monolithic integration of electronic – photonic integration circuits.

She also holds the position as President and CEO of QEOS LED, a subsidiary of QEOS, driving the company strengths towards being the next frontier of Internet of Things (IoT) in renewable energy and energy efficient lighting technology. Poh Lian has steered the company technology to produce LED lighting products that have ultra-low energy consumption, extremely long lifespan and excellent photometric properties suited for a broad range of applications, ranging from health-care, hospitality industry, semiconductor and the food industry.