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Bryan Guido Hassin

Senior Principal
  • Breakthrough Technologies

Bryan is CEO of The Third Derivative, an RMI venture that is transforming the way that innovative startups, investment funds, and large corporations accelerate the energy transition. In this role, Bryan is building and leading a talented team that combines the agility of a startup with the considerable think-and-do excellence of RMI.


Prior to RMI, Bryan was a global tech entrepreneur building a smart energy future. As a startup founder and CEO, he led his teams to multiple successful exits and as a mentor / director / advisor, he continues to help startups achieve massive scale and impact. Bryan spent much of his career in the private sector raising venture capital, building and leading startup teams, scaling operations, and negotiating partnerships and acquisitions.

One of Bryan’s most rewarding adventures was on sabbatical as a university Entrepreneur In Residence, helping a new generation of entrepreneurs be successful and building one of the top-ranked university entrepreneurship programs in the world.


MBA with Honours and Distinction in Leadership – IMD (2008)

MS in Computer Science – Rice University (2002)

BS in Computer Science – Rice University (2001)

BS in Electrical Engineering – Rice University (2001)


Boulder, CO

Authored Works

RMI Launches New Climate Tech Accelerator

Faced with the rising urgency of the climate crisis, Rocky Mountain Institute (RMI) and New Energy Nexus are proud to announce the launch of a new joint venture called Third Derivative (or D3, for short)—built to accelerate the rate of climate innovation. This program works with startups from around…


Innovating to Solve Two Crises at Once

COVID-19 is a cataclysm of epic scale that has disrupted life as we know it globally. Early stage climate tech innovation is especially vulnerable to this disruption and, without swift, thoughtful action, we risk losing a decade of progress toward solutions that are critical for mitigating the most extreme effects…