Our Board of Governors
2024-2025
Siddharth Premkumar
Chapter President
Siddharth Premkumar, PE, HFDP, HBDP, LEED Green Associate
Siddharth Premkumar is a Senior Mechanical Engineer at Arup’s Seattle office. With 14 years of experience in the industry, he has developed multidisciplinary engineering design expertise across a diverse array of projects, from cutting-edge healthcare facilities to innovative educational institutions, vibrant commercial spaces, art showrooms, and dynamic retail environments.
Before joining the ranks at Arup, Siddharth honed his skills at an integrated design firm in Seattle, worked as a mechanical subcontractor, and served as a BIM consultant in the Twin Cities. These diverse experiences laid a robust foundation, fueling his relentless pursuit for excellence.
Siddharth has been an active ASHRAE member since 2013. Driven by his passion for giving back to society and the industry, he has served in various roles within the Puget Sound Chapter. He is also an active member of ASHRAE’s Standing Standard Project Committee (SSPC) 170 – Ventilation of Health Care Facilities. Siddharth is eager to continue contributing his knowledge and experience to advance the field of engineering and support the next generation of engineers.
Krishnan Gowri
Chapter President-Elect
Krishnan Gowri has more than thirty years of experience in the construction industry as a building science and building performance expert. Krishnan received his undergraduate degree in Civil and Structural engineering from Annamalai University in India and obtained his Masters and Doctoral degrees in Building Engineering from Center for Building Studies at Concordia University, Montreal, Que. Since 1995, Krishnan was part of the Building Energy Codes Program as Senior Research Scientist at the Pacific Northwest National Laboratory (PNNL) in Richland, WA. During his almost 20 year tenure at PNNL Krishnan led the energy codes software development team and was a key contributor and developer of COMcheck and REScheck tools, widely used to demonstrate compliance to ASHRAE 90.1 and IECC energy codes. Krishnan has been a member of ASHRAE since 1995 and has served on various technical and society committees. Krishnan is a recipient of ASHRAE Exceptional Service and Distinguished Service Awards and recognized as an ASHRAE Fellow in 2017. He is currently the Chair of 2027 Applications Handbook Subcommittee. Beyond his academic, research and industry pursuits, Krishnan spends his leisure time volunteering for a non-profit educational organization and anything tennis – as a player, stringer, certified official and coach.
Ty Wasserman
Chapter Past-President
As an Account Manager at Trane since 2015, Ty brings nearly a decade of experience in delivering exceptional customer service and technical expertise. His commitment to helping customers achieve their goals is at the core of my professional philosophy. Ty prides myself on being able provide innovative solutions and support to meet the unique needs of each client. He joined Puget Sound ASHRAE in 2015 to continue growing his knowledge base and give back to the larger engineering community. Whether it’s optimizing HVAC systems or ensuring energy efficiency, Ty is dedicated to making a positive impact through his work.
Kartik Tiwari
Chapter Secretary
Kartik graduated from the University of Washington (Go Dawgs!) with a Master’s in Mechanical Engineering. After college, he started working as a Thermal Engineer for Cummins Inc., designing diesel engines and components. His passion for the environment soon made him switch to the HVAC industry, which needs an engineering push to reduce its climate impact. Kartik is currently working as the lead Mechanical Simulation Engineer for CloudKitchens.
Kartik was involved with ASHRAE early in his undergraduate days. But he joined Puget Sound Chapter in 2023 because he was missing the joys of professional networking after Covid. Kartik is currently a member of the Student Activities Committee in the Seattle Chapter. He is the Chair of the Emerging Technology subcommittee in Emerging Computing Applications (TC 1.5).
Lynndy Hedgcoth
Chapter Treasurer
Lynndy is a mechanical engineer with Affiliated Engineers who graduated from Washington State University with a Bachelor of Science in mechanical engineering and minors in materials science engineering and Spanish. Lynndy has been involved in the design of a variety of building types from healthcare and outpatient spaces to cleanrooms and biosafety labs. She has a passion for sustainability and giving back to the community. Lynndy has been involved in ASHRAE since 2021. She is a past Student Activities Chair for the chapter and is the current Webmaster of ASHRAE Technical Committee 6.1 (Steam and Hydronic Systems) and Secretary of ASHRAE Technical Committee 1.7 (Business, Legal, and Education).
Sierra Spitulski
Governor
Sierra is a Healthcare Engineering Group Leader and Associate Principal at P2S. She has been ASHRAE’s biggest cheerleader since her volunteering began in 2017 as the Women-in-ASHRAE Chair for the Southern California Chapter. After working through the Board positions, she served as the Southern California Chapter President for the 2022-2023 year. In 2023, she moved to Seattle where she now supports the Puget Sound Chapter on the BOG and at the Regional level as the DEI Chair for Region XI. In addition, she is an active contributor to TC 9.6 and SSPC 170 at the Society level.