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Tandem PV Team
We are a close knit team that is driven to help build a cleaner energy future. This passion for change has really brought us together and we push each other to grow and push the boundaries of science and technology.
Ph.D. Material Science and Engineering - Stanford
Forbes 30 under 30 in Energy, 2016
Cyclotron Road Entrepreneurial Research Fellowship, 2016-2018
Co-Founder, CEO - Colin Bailie
I had the opportunity to be at the forefront of a new technology in graduate school and in the right place/right time to write the seminal works on perovskite-based tandems.
As I was getting ready to graduate, no established solar companies were seriously considering this new material yet and I had particular ideas about low-risk integration and low-cost development that the other startups at the time were not pursuing that I believe are instrumental to the commercial success of perovskite-based tandems.
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I am the CEO, which at a small company like Tandem PV involves wearing 3 to 10 different hats on a given day to keep the company well funded and staffed and developing in the right directions.
I really want to see this technology become transformational to the solar industry and our global aspirations for low-cost, sustainable energy and electricity throughout the world, and founding Tandem PV was and is the best way for me to achieve that goal.
I had the opportunity to be at the forefront of a new technology in graduate school and in the right place/right time to write the seminal works on perovskite-based tandems.
As I was getting ready to graduate, no established solar companies were seriously considering this new material yet and I had particular ideas about low-risk integration and low-cost development that the other startups at the time were not pursuing that I believe are instrumental to the commercial success of perovskite-based tandems.
Tandem Purpose
Tandem Leadership

Co-Founder, CEO
Colin Bailie
Ph.D Material Science and Engineering - Stanford
Tandem Purpose
Tandem Leadership
Thomas Brenner

Metrology Team Lead
Mike Chen

Lead Engineer
Bryan Rosales

Solution Processing Team Lead/Senior R&D Chemist
Terrence Banks

Metrology Engineer
Kenny Hong

Metrology Technician
Gabriel Flores

Thin-Film Processing Engineer
Subina Raveendran

Module Development Specialist
Timothy Gehan

Head of R&D
Brian Wieliczka

Advanced R&D Team Lead
Cody Sharp

R&D Engineer
Erin Brown

R&D Technician
Harrison Bui

R&D Technician
David Maloney

R&D Chemist
Barbara DiAngelo

Office Manager
Augustine Gonzalez

Facility Manager
OUR TEAM
I started Tandem PV because we are developing a unique product that can provide the winning trifecta of more sunlight-to-electricity power, lower clean energy costs, and lower manufacturing resource requirements.
Technical, strategic and operational challenges that Tandem PV faces are a good match to what I’ve been doing for four decades in the solar industry. The tasks fit my skills and my passions.
Tandem Purpose
Tandem Leadership

Co-Founder, Managing Director
Chris Eberspacher
"Tandem PV technology could actually change the world."
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I started Tandem PV because we are developing a unique product that can provide the winning trifecta of more sunlight-to-electricity power, lower clean energy costs, and lower manufacturing resource requirements.
Technical, strategic and operational challenges that Tandem PV faces are a good match to what I’ve been doing for four decades in the solar industry. The tasks fit my skills and my passions.
Tandem Purpose
Tandem Leadership
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As TPV’s Managing Director I’ve split my focus between strategy and day-to-day infrastructure, e.g. product concepts, market sector focus, operational tools, necessary materials, lights on, payrolls met, etc. Lately I’ve been shifting more towards scaling and preparations for volume manufacturing.