MECHANICAL ENGINEERING 

Who we are

Our staff has over 100 years of mechanical engineering experience ready to serve your project.

NATHAN BYERS, P.E.,
PRINCIPAL

Mr. Byers joined Sider + Byers Associates in 1988, when the firm was known as Edward S. Sider & Associates. He became principal in 1993 and senior partner in 2001. Nathan’s responsibilities include business direction, project management, budgeting and scheduling, and he is Principal-in-Charge on the firm’s most important projects. He has a BSME from Washington University in St. Louis. He is a Sounders fan and motorcycle enthusiast.

JON SHAFER, P.E.,
PRINCIPAL

Mr. Shafer has worked at Sider + Byers since 2005; his duties include project management and business management, as well as HVAC design. Jon has a mechanical engineering degree from the University of Washington. He is an avid sports fan and enjoys playing guitar.

JAMES WHIGHAM,P.E.
ASSOCIATE

Mr. Whigham grew up in Eastern Washington, so he has experience on both the "dry side" and the "wet side".  James earned his mechanical engineering degree from Gonzaga University, joined our office in 1999 and is accomplished in energy modeling, BIM, HVAC and plumbing design.  He was a volunteer firefighter, which gives him personal insight into his extensive fire station design work.  James enjoys hiking and photography and frequently takes completion photographs of our projects.

PATRICK MCCONNELL,
Senior ENGINEER

Patrick’s mechanical engineering degree is from the University of Washington and joined our team in 2007. He is our senior plumbing engineer with experience in a multitude of plumbing systems and building types. He enjoys both playing and watching basketball.

LIESBET MICHIELS,P.E., Engineer

Liesbet was born in Belgium, but grew up in the Midwest. She earned her Bachelor’s degree in Mechanical Engineering from the University of Cincinnati and her Masters in Mechanical Engineering from the University of Washington. She joined our team in 2012 and is now a project manager and designer. Liesbet loves yoga and is an avid climber.

AARON CLARK,E.I.T.,
ENGINEER

Aaron joined Sider + Byers in 2013 after receiving his mechanical engineering degree from Washington University in St. Louis.  He enjoys the complex engineering problems presented by modern design. Outside of work, Aaron enjoys mountaineering and is our office foodie.

KATRINA SHINBO,  BIM TECHNICIAN, ASSOCIATE

Katrina has an Associates of Applied Science in Computer Aided Drafting.  Katrina has worked at Sider + Byers since she began her career in 1999.

She is in charge of the firm’s BIM production.  Katrina enjoys reading and spending time with family.

MARIANNE HOOPER-FOJT, BUSINESS MANAGER

Marianne is our business manager, in charge of accounts and marketing since 2007. A native Seattleite, Marianne enjoys gardening and spending time with family (especially her grandchildren!)

ED SIDER, P.E.,
FOUNDER

Retired

Ed founded the firm as Edward S. Sider and Associates in 1979. Originally from Long Island, Ed received a BSME from Lehigh University. He was a Captain in the Army Corps of Engineers, Chief Engineer at Leo. A. Daly, and a partner at Notkin Engineers before starting his own design firm.

LET’S START MAKING your vision a reality