We are Summit. We care.

Established in 1978, Summit is deeply rooted and committed to our
diverse breadth of clients, team members, and community.

Our leadership team.

Yi Yang, S.E.

President

Jasper Gehring, P.E.

Principal, Electrical Division Manager

Demae Rubins

Principal, Planning Division Manager

Kyle Moyer, P.E.

Associate, Structural Division Manager

Tania Schram, P.E.

Associate, Civil Division Manager

Gina Giacone, P.E.

Principal, Water/Wastewater Division Manager

Ashleigh Higgins

Associate, Head of Finance and Administration

Caylah Lunardi

Human Resources Manager

Our success is built on teamwork.

Amos Sikwata

Staff Accountant

Benjamin Griesser

Project Engineer I

Brian Dazey, P.E.

Assistant Division Manager, Electrical

Callie Charleton

Staff Engineer II

Diana De Los Santos

Planner II

Evan Brooks

Staff Engineer I

Geoffrey Ayton, P.E.

Project Engineer I

Jackie Peterson

Administrative Assistant

Jake McConnell, P.E.

Project Engineer I

Jason Flowers, P.E.

Senior Project Manager

Jesus Hernandez

Staff Engineer II

John O'Hanesian

Senior CAD Technician

Joshua Martinez, P.E.

Project Engineer II

Juanita Tenorio Ruiz

Office Assistant

Julian Kayne, P.E.

Project Engineer II

Kate Eidsen

Staff Accountant

Katerina Marovich

Marketing Manager

Kay Choe

Planner I

Kevin Ruffler, P.E.

Project Engineer I

Kevin Saldivar

Staff Engineer II

Lewis Watchorn, P.E.

Senior Project Manager

Monica Shah, P.E.

Project Manager

Norman Vachon

Project Manager

Paul Bunbury

Project Engineer II

Ramika Eivazi Aliabady

Staff Engineer I

Rebecca Neuren

Project Engineer I

Robyn Meier, P.E.

Senior Project Engineer

Sarah Stern

Staff Engineer II

Tiffany Foster

Staff Engineer II

MORE PEOPLE

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.

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