Professional Engineers

 Alyssa Cornett, PE


Alyssa joined Spire as an engineer-in-training in July 2008, and later received her license as a Professional Engineer in Civil Engineering in 2013. She received her Bachelor’s Degree in Civil Engineering from Cal Poly Pomona with focus on structural design and bridge engineering.  Prior to employment at Spire Structural Engineering, she had work experience in drafting, welding, and team leadership. Alyssa is also a lifetime member of Chi Epsilon and Tau Beta Pi engineering honor societies. Alyssa performs all the responsibilities of a project engineer at Spire, including lateral seismic/wind and gravity design of new buildings, analysis and/or retrofit of existing buildings, and design of components and cladding (including equipment anchorage). When not working at the office, Alyssa enjoys exploring creative outlets such as her passions for cooking, catering and singing in choir.  Free time is often enjoyed reading, going for walks, tending her garden or doing arts-and-crafts. She also occasionally spends time traveling, enjoying fine arts, hiking, skiing/snowboarding and surfing.

Reach Alyssa at

Colby Leslie, Project Engineer


Colby joined the Spire team in February 2016. He graduated from Cal Poly San Luis Obispo with a bachelor of science degree in Architectural Engineering in 2014 and received his professional engineers license in civil engineering in 2017. Colby has structural design experience across a variety of project types including the design of new buildings as well as the retrofit and remodel of existing structures. Outside of the office Colby enjoys spending time with his wife and spending time outdoors including surfing, camping, and hiking.

Reach Colby at


Jason Cha, Project Engineer

Jason joined the Spire team in May 2018. He graduated from UCSD with a Bachelor of Science degree in Structural Engineering in June of 2016 and Master of Science degree in Structural Engineering in December of 2017. Jason likes video games and long-distance running.

Reach Jason at


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