Management Team

Santosh Kumar


Santosh is a serial entrepreneur. He has started and run 2 other technology companies in the past. Ultrasolar Technology is a result of his MS thesis work in the areas of Pyroelectricity and high efficiency solar cells. His inventions are the basis of 3 companies and several products. He has also spent 20 successful years in large and mid-size semiconductor and hard drive companies in various roles spanning from technology to operations.

Santosh is the author of 15 papers and owns several patents.

Santosh has developed several difficult vital partnerships with large multinationals. He also advises some young start-up companies in the area of company building, product positioning and go to market.

Santosh holds an MS degree in Physics from IIT Delhi and an M.Tech. (Master of Technology) in Materials Science and Engineering from IIT Kharagpur.

Naresh Sharma Ph.D.

Executive V.P. of Engineering and Co-Founder

A versatile executive with hands-on technical and management experience of over 25 years in semiconductor engineering operations, Quality & Reliability and Photovoltaic Technology Development. He has direct experience in building new organization and capability of managing small start-up as well as established large scale high volume manufacturing. Most recently, Naresh has been VP of Operations at Teranetics and V.P. of Quality and Reliability at PulseCore Semiconductor. Previously, as a VP of Engineering Operations at Tripath Technology Inc, he helped bring the company from start-up to a successful IPO. Naresh has served at senior management roles at Cirrus Logic, Cypress Semiconductor, Alliance Semiconductor, Seeq Technology, Fairchild Semiconductor & AMI. He holds Ph.D. in Physics from IIT Delhi and M.S. in Solid State Physics from IIT Roorkee, in India. He has several patents and is the author of 14 research publications – most of the research work focused on variable band gap thin film semiconductors and Photovoltaic devices.

Lali Nathan

Chief Financial Officer

Lali Nathan serves as our Chief Financial Officer, where she leads the company’s finance, accounting, treasury and investor relations. Lali has over 20 years of experience in corporate finance and investment banking.  She has significant hands-on start-up CFO experience having worked at a number of renewable technology companies. She is experienced in project financing and structuring complex financial transactions for several energy and infrastructure projects totaling well over $10 billion. She also has lead managed a number of M&A and divestiture transactions successfully.

Lali brings a truly global perspective having worked in US, Europe and Asia.  She was an Associate Director (Investment banking) at Barclays Capital. She was VP Finance at Calpine, CFO/VP Finance at US Renewables portfolio companies (US Biodiesel, Oski Energy) and most recently in the solar energy space she was with Meridian Energy.

Lali holds an MBA from the Wharton School of Business (UPenn), an M.S. in Chemistry (Univ. of Madras), and is a Licensed CPA.

Peter Koiwai

Phone: 1 408 499 6227

Mr. Peter Koiwai serves as the Director of Business Development / Sales and Marketing. A senior business executive with over 28 years’ of business development in solar system technology, solar system design, global solar project development, and electronic system sales. BS Ursinus College, Solar Technology Program, MIT