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Our leadership team.

Yi Yang, S.E. headshot

Yi Yang, S.E.

Managing Principal

Jasper Gehring, P.E. headshot

Jasper Gehring, P.E.

Principal, Electrical Division Manager

Demae Rubins, AICP headshot

Demae Rubins

Principal, Planning Division Manager

Kyle Moyer, P.E. headshot

Kyle Moyer, P.E.

Associate, Structural Division Manager

Tania Schram, P.E.

Associate, Civil Division Manager

Gina Giacone, P.E. headshot

Gina Giacone, P.E.

Principal, Water/Wastewater Division Manager

Ashleigh Higgins headshot

Ashleigh Higgins

Associate, Controller

Caylah Lunardi black and white headshot

Caylah Lunardi

Human Resources Manager

Our success is built on teamwork.

Caylah Lunardi black and white headshot
Amos Sikwata

Staff Accountant

Caylah Lunardi black and white headshot
Andy Tchirkine, S.E.

Associate

Caylah Lunardi black and white headshot
Benjamin Griesser

Project Engineer

Caylah Lunardi black and white headshot
Callie Charleton

Staff Engineer

Caylah Lunardi black and white headshot
Evan Brooks

Staff Engineer

Caylah Lunardi black and white headshot
Geoffrey Ayton, P.E.

Project Engineer

Caylah Lunardi black and white headshot
Jackie Peterson

Office Assistant

Caylah Lunardi black and white headshot
Jake McConnell, P.E.

Project Engineer

Caylah Lunardi black and white headshot
Jason Flowers, P.E.

Senior Project Manager

Caylah Lunardi black and white headshot
Jesus Hernandez

Staff Engineer

Caylah Lunardi black and white headshot
John O'Hanesian

Senior CAD Technician

Caylah Lunardi black and white headshot
Joshua Martinez, P.E.

Project Engineer

Caylah Lunardi black and white headshot
Juanita Tenorio Ruiz

Office Assistant

Caylah Lunardi black and white headshot
Julian Kayne, P.E.

Project Manager

Caylah Lunardi black and white headshot
Kate Eidsen

Staff Accountant

Caylah Lunardi black and white headshot
Katerina Marovich

Marketing Coordinator

Caylah Lunardi black and white headshot
Kay Choe

Planner

Caylah Lunardi black and white headshot
Kevin Ruffler, P.E.

Project Engineer

Caylah Lunardi black and white headshot
Kevin Saldivar

Project Engineer

Caylah Lunardi black and white headshot
Lewis Watchorn, P.E.

Senior Project Manager

Caylah Lunardi black and white headshot
Monica Shah, P.E.

Project Manager

Caylah Lunardi black and white headshot
Mustafa Jibat, P.E.

Project Manager

Caylah Lunardi black and white headshot
Norman Vachon

Project Manager

Caylah Lunardi black and white headshot
Paul Bunbury

Project Engineer

Caylah Lunardi black and white headshot
Ramika Eivazi Aliabady

Staff Engineer

Caylah Lunardi black and white headshot
Rebecca Neuren

Staff Engineer

Caylah Lunardi black and white headshot
Robyn Meier, P.E.

Project Engineer

Caylah Lunardi black and white headshot
Sarah Stern

Staff Engineer

Caylah Lunardi black and white headshot
Tiffany Foster

Senior CAD Technician

Caylah Lunardi black and white headshot
Vishal Dola

Staff Engineer

Principal Jasper Gehring presenting

What makes Summit tick?
We take pride in our team and community.

Culture

Workplace Events and Activities

Some work, lots of play. We work hard to ensure that our office is a fun place to be.

Community Involvement

We’re committed to giving back to our community. Whether it’s one of our regular volunteering opportunities, donations, or even pro bono work, we understand the impact that a helping hand can have on the world around us.

Sustainability

Summit is a proud Certified California Green Business.

Diversity, Equity & Inclusion

Our DEI initiative is focused on continually finding ways to support our clients, and highlighting the voices within our community and team that makes us so great.

Let's get to work.

Summit is known for excellent long-term client relationships and an
unwavering commitment to quality in our work.