POROTECH - Key Persons


Dr. Dandan Zhu

Job Titles:
  • VP Engineering
Dandan has >15 years of experience in GaN materials and devices and a proven track record in commercial exploitation of innovative technologies that spanned R&D, engineering, sales and marketing. Dandan holds both BE and MS from Tsinghua University, and a PhD in Materials Science from the University of Cambridge. She developed the large-scale GaN-on-Si technology and co-founded CamGaN with Professor Sir Colin Humphreys - Founding Director of the Cambridge Centre for GaN, which was acquired by Plessey Semiconductors in 2012.

Dr. Kunal Kashyap

Job Titles:
  • VP Display & Head of Taiwan
Kunal has a PhD in Nanotechnology and joins the company with many years of product development and project management experience on Mini- and Micro-LEDs, Displays and III-V sensors at EPISTAR (one of the world's largest LED manufacturers).

Dr. Tongtong Zhu - CEO, Founder

Job Titles:
  • CEO
  • Founder
Tongtong serves as CEO & Founder and leads technology development and business operations through his vision to champion MicroLED innovations to the global market adoption. Tongtong has a PhD in Materials Science from Cambridge University, a diverse background of physics, electronics, engineering and materials science, 15+ years' experience in the field of III-nitride semiconductor materials and devices, and has developed numerous new materials and structure production processes whilst progressing the general community understanding of the science of materials growth.

Dr. Yingjun Liu - CTO, Founder

Job Titles:
  • Co - Founder
  • CTO
Yingjun was trained as a physical chemist and mechanical engineer, with a PhD in Materials Science. He has more than 15 years experience on advanced materials development projects with world leading materials companies, emerging SMEs and top research institutes. His career started from OLED, and during the time in Cambridge organised technology transfer projects on scale-up processes to industrial partners. He has been involved in development of high throughput inspection and fabrication methodology throughout his career.

Prof. Rachel Oliver

Job Titles:
  • Professor in Materials Science at the Department of Materials Science
Rachel is a Professor in Materials Science at the Department of Materials Science, University of Robinson College, Cambridge, and a distinguished fellow of FREng. She is also the Director of the Cambridge Centre for Gallium Nitride (GaN). She has led several EPSRC and ERC grants including large international collaborations and industry-funded projects. She is a member of the UKNC management committee and the Internal Strategy Committee of the National III-V Centre. Rachel has been named one of the Top 50 Women in Engineering 2020 and being recognised for her work on sustainable lighting based on nitride light emitting diodes (LEDs).