Culture & Team

At Thermo Systems, we have three simple goals:
Customer Success, Employee Success, and Financial Strength.

Leadership Team

Eric Silk

Executive Vice President

Eric Silk provides leadership and a strategic vision for the entire company. He joined the company as a control systems engineer over 15 years ago and quickly grew his experience in all areas of the business before taking on a sales leadership role in 2016. Eric’s technical background and experience in other business functions have propelled him to be a strong visionary and dynamic leader at Thermo Systems.

Sai Lo

Vice President, Operations

Sai Lo is the leader of all operations and customer delivery globally for Thermo Systems, championing the Thermo core values. He has been with Thermo for over 20 years and has served in numerous operations and staff development roles. Sai is a member of the Thermo Systems Executive Leadership Team and has a Bachelor of Engineering degree from SUNY Maritime College as well as a Masters in Business Administration from NYU Stern School of Business.

Sueann Snodgrass

Vice President, Human Resources

Sueann Snodgrass joined Thermo Systems' Executive Leadership Team in 2021 as the new head of Thermo's human resources team. She has over 20 years of expertise in HR management and consulting for large firms and high-growth start-ups. Sueann holds a Political Science and Philosophy as well as a Masters in HR Management along with both Professional in Human Resources (PHR) and Society for Human Resources Management Certified Professional (SHRM-CP) certifications.

Richard Dreher

Vice President, Finance

Richard Dreher leads Thermo Systems' finance operations, focusing on revenue growth, compliance, and risk mitigation. Rich joined Thermo Systems in 2015 and has been instrumental in leading Thermo’s growth in the years since. Rich is a member of the Thermo Systems Executive Leadership Team and holds a Bachelor of Science degree in Accounting from Cabrini College.
Thermo Systems is proud to be supported by its founding partners:

David Musto

Founder, President & CEO

David Musto, along with Greg Smith, founded Thermo Systems in 1998 with the goal of creating an automation firm where team members all learn, grow, and thrive. He is actively engaged in developing Thermo’s next generation of leaders and champions the Thermo culture throughout his travels. David has over 30 years of control systems experience, previously serving at both Honeywell and GE. David is also the Board Chairman of the International District Energy Association, a leading trade organization supported by Thermo for over 15 years.

Gregory Smith


Gregory Smith co-founded Thermo Systems in 1998 along with David Musto and retired from day to day operations in 2022. During his leadership at Thermo, Greg focused on coaching and mentoring the Thermo operations leaders and championing the Thermo core values of Customer Success, Employee Success, and Financial Strength. Greg is a graduate of SUNY Maritime College and continues to champion the Thermo team as a stockholder.