meet the board


Our Board of Governors

Nick Rosner


Nicolas Rosner is a Variable Frequency Drive-Lead Sales Engineer at Eaton. Nick’s VFD focus at Eaton is consulting engineer specifying support, contractor service, facilities training, and distributor sales. Prior to Eaton, Nick spent 7 years of his HVAC career at USAir Conditioning Distributors in both Southern California and Arizona. Nick Rosner is a licensed Mechanical Professional Engineer (CA & AZ). He holds a B.S. in Electrical Engineering from the California Polytechnic State University, San Luis Obispo. And, Nick has held officer and chair positions at Southern California, Central Arizona, and Tri-County ASHRAE chapters.

Barnabas Path


Barnabas is an energy consultant working with K12, University, Municipal, and Special District customers advising on strategic energy positioning as well as evaluating energy performance at portfolio, site, and operator levels.  Barnabas has owned an HVAC contracting business; designed, built, operated, and maintained a micro-turbine co-generation plant, supported a District Energy plant, and has been in sales with many ESCO’s including Honeywell, Siemens, and Johnson Controls. Barnabas has been the ASHRAE Sustainability Chair and received a B.S. in Mechanical Engineering Technology from Cal Poly Pomona.

Sierra Spitulski 


Registered professional engineer with experience designing HVAC/R systems in both new and remodeled healthcare facilities (both OSHPD and non-OSHPD), office TIs, and university/K-12 school districts. Engineering education from Fresno State (Bachelors of Science in Mechanical Engineering, minor in Mathematics and Physics) and UC Davis (Masters of Science in Mechanical and Aerospace Engineering). 

Roman Verdana


Ricson Chude


Ricson Chude is a professional mechanical engineer currently working at Southern California Edison where he manages the technical review of energy efficiency projects such as HVAC RCx, Refrigeration System Retrofits, and Pump System Upgrades.  He has served on the ASHRAE Southern California Chapter board for the past 5 years, holding the following positions: Technology Awards Chair, Chapter Technology Transfer Chair (CTTC), Research Promotion Chair, Student Activities Chair, and currently serving as Chapter Secretary. Ricson Chude holds a Master of Science in Engineering Management from California State Polytechnic University of Pomona, and a Bachelor of Science in Mechanical Engineering from the California State University of Los Angeles. He is a licensed Mechanical Engineer in the State of California.

Nelson Echeverry

BOG- Membership and Retention

Carlos Ruiz

BOG- Student Activities, YEA & Historian

Elyse Johnson

BOG- CTTC & Sustainability

Eric Melendez

BOG- Director of PR & Correspondence


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San Marino, Ca 91118

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