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.

Managing Principal

Jasper Gehring, P.E.

Principal, Civil Division Manager

Demae Rubins

Principal, Planning Division Manager

Kyle Moyer, P.E.

Associate, Structural Division Manager

Gina Giacone, P.E.

Principal, Water/Wastewater Division Manager

Ashleigh Higgins

Associate, Controller

Kiran Sandhu, SPHR

Human Resources Manager

Our success is built on teamwork.

Alex Sneed

Staff Engineer

Amos Sikwata

Staff Accountant

Andy Tchirkine, S.E.

Associate

Benjamin Griesser

Project Engineer

Briana Albini

Planner

Callie Charleton

Staff Engineer

Geoffrey Ayton, P.E.

Project Engineer

Jackie Peterson

Office Assistant

Jake McConnell

Project Engineer

Jason Flowers, P.E.

Senior Project Manager

Jesus Hernandez

Staff Engineer

John O'Hanesian

Senior CAD Technician

Joshua Martinez, P.E.

Project Engineer

Juanita Tenorio Ruiz

Office Assistant

Julian Kayne, P.E.

Project Manager

Kate Eidsen

Staff Accountant

Katerina Marovich

Marketing Coordinator

Kevin Ruffler

Project Engineer

Kevin Saldivar

Project Engineer

Lewis Watchorn, P.E.

Senior Project Manager

Monica Shah, P.E.

Project Manager

Mustafa Jibat, P.E.

Project Manager

Norman Vachon

Project Manager

Paul Bunbury

Project Engineer

Ramika Eivazi Aliabady

Staff Engineer

Rebecca Neuren

Staff Engineer

Robyn Meier, P.E.

Project Engineer

Sarah Stern

Staff Engineer

Tania Schram, P.E.

Associate, Senior Project Manager

Tiffany Foster

Senior CAD Technician

Vishal Dola

Staff Engineer

Zak Zakalik

Associate

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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