Team & Leadership



Radiant Labs co-founders Jeff Friesen, Ben Mailian & Adam Stenftenagel are also the co-founders of Snugg Home. For the past nine years, Snugg Home has been providing home performance professionals with an all-in-one software for energy auditing & sales.

Snugg Home serves more than a thousand contracting companies in 48 states & is featured in over 70 utility & government programs. Since founding Snugg Home in 2010, Radiant Labs’ founders have continued to develop deep relationships with government & utility efficiency programs, energy auditors & contractors.

In sharing their thoughtful insights, telling questions & distinct pain points, these gracious colleagues, teammates & partners have guided the work we do, the software we create & the people we create it for.





Jeff Friesen

Jeff Friesen

CTO, Co-Founder

Jeff spent his academic career in the fundamentals of energy research and spent six years in labs working on fusion, superconductivity and atomic physics. After he left academic research, he worked as a scientist at the National Center for Atmospheric Research on global warming models.

Unsatisfied with social progress in climate change, he switched focus to learn more about public awareness, messaging and education, spending several years successfully growing businesses through marketing and advertising.

He co-founded and lead the software development team for Snugg Pro - an innovative product in a badly needed industry that is highly regarded by the contractor community across the United States.

As co-founder and CTO of Radiant Labs, Jeff leads the software and data development team. Radiant Labs’ customer-facing products use a mix of React, GraphQL, Clojurescript, and Node.js. Our data and machine learning stack is built on top of Clojure, Python, Tensorflow, Big Query, Apache Beam, and other tools used for ad-hoc exploration.

Jeff built his first neural network in 1993 to analyze plasma fusion measurements and continues to use modern innovations in data science and computing to try to solve hard problems that our world is facing. He earned his Masters in physics from the University of Colorado, Boulder at the Joint Institute of Laboratory Astrophysics (JILA).

Benjamin Mailian

Benjamin Mailian

VP of Product, Co-founder

With deep knowledge of digital design and web development, Ben collaborates closely with Radiant Lab’s engineers to transform innovative ideas into compelling digital reality. In addition to managing Radiant Lab’s design efforts, he is currently Snugg Pro’s VP of Product where he leads design and development efforts. Previously, Ben developed the international ecommerce activities of a luxury food company. He has also served as the head of the Technology Department at Mahatma Gandhi International School, a school in Ahmedabad, India.

Adam Stenftenagel

Adam Stenftenagel

CEO, Co-founder

With expertise in building science, energy modeling, and energy auditing operations, Adam is the lead analyst and energy specialist of Radiant Labs. He handles the day-to-day operations of the company and excels at cost-benefit analysis for the purpose of constructing cash flow-positive and affordable net-zero energy homes. Prior to joining Jeff and Ben in founding Snugg Home and Radiant Labs, he founded Sustainably Built, a green building consulting firm that was sold in the spring of 2020. Additionally, Adam was a founding board member of the Boulder Green Building Guild and helped write Boulder County’s 2006 green building codes, still among the most progressive energy codes in the country.

Kelly O'Connell

Kelly O'Connell

Lead Building Science Engineer

As the Lead Building Science Engineer for Radiant Labs, Kelly provides expertise in building science, energy efficiency programs, and sustainable development. She is leading Radiant's energy modeling, analysis, and quality assurance efforts. Prior to joining the team, Kelly worked as an engineer and project manager for an energy efficiency consulting firm specializing in impact evaluation and market characterization. She earned a Bachelors in Civil Engineering from Northeastern University. She also has a long history working with Engineers Without Borders and other nonprofits engaged in sustainable development in rural, international communities.





Copyright © 2017-2019 Radiant Labs, LLC

Home  Data  Modules  Mission  Team  Contact