WestLAND's Group Who We Are Hero for Desktop showing owners Matt and Glenn

Who We Are

Co-owners Matthew Okubo and Glenn Chung are building on WLG’s industry reputation and evolving the company into a well-respected, Minority-owned Business Enterprise (MBE) with technical capabilities that surpass the competition. Their 45+ years of combined leadership, experience, passion, and uncompromising commitment to superior client service ensure that the firm’s legacy lives on.




Meet Our Team


WLG has attracted a loyal team of professionals who consistently blend insight with technological innovation to help clients efficiently manage complex projects and have lasting impacts on their community.

Glenn M. Chung
President/Principal | PE, QSD/P | BS, Civil Engineering

Glenn is co-owner of the firm and has 20+ years of engineering experience leading teams through signature, cornerstone projects. He plays a key role in mentoring staff while overseeing the firm’s fiscal health and overall operations. He has held several executive positions throughout his career and is well respected in the industry.

Matt O Headshot
Matthew (Matt) H. Okubo
President/Principal | PLS

Matt is co-owner of the firm with 25 years of experience providing geospatial services for many high-profile clients on complex projects. He oversees the day-to-day operations of the firm and has a vested interest in utilizing cutting-edge technology. He has spoken at industry events and is the firm’s advocate for minority business services throughout California

Doug Pluta
Charles (Doug) Pluta
VP, Geospatial Services | PLS | BS, Philosophy

Doug has 20+ years of experience providing geospatial and engineering coordination utility, private, and other municipal clients in California. He manages complex electrical, railroad, and on-call contracts and projects therein. He mentors geospatial staff, prepares field surveying and mapping plans, and oversees his Department’s QA/QC program.

Loye Peternell Headshot
Loye Peternell
VP, Finance | BS, Business Administration

Loye has 45+ years of experience providing oversight of financial and administrative services. She has held senior leadership positions at various firms in the architecture, engineering, environmental and construction industries. Her financial acumen and insight is second to none.

Ben Macaluso Headshot
Ben Macaluso
VP, Business Development

Ben has 25 years of engineering consulting, entitlement and land development experience in Southern California. His areas of expertise include client business development, all facets of due diligence, land planning, permitting, project management, bid documentation and construction support.

Jesus Villegas
VP, Energy | MS, Geospatial Technologies | BEd. Teaching

Jesus leads and develops a team of support staff members who provide  digital mapping and database management efforts for energy clients. He is the firm’s resident expert on essential engineering platforms such as ArcGIS, AutoCAD and AVEVA, among others.

Matt Kunkle Headshot
Matt Kunkle
VP, Land Development | BS, Civil Engineering

Matt has over 20 years of experience in providing development engineering and management for industrial, commercial and retail projects. He supervises WLG’s Land Development Department and provides input on the firm’s strategic growth plan.

Siara MacKinney
Director, Land Development | PE | MS, Structural Engineering | BS, Civil Engineering

Siara has over 10 years of experience providing engineering and oversight for industrial and retail projects. As Director of Land Development, she oversees and mentors department managers and technical staff, provides QA/QC, and acts as a liaison on the client’s behalf.

Duane Balderston Headshot
Duane Balderston
Director of Construction

Duane’s 30 plus years of field experience equip him to liaison with clients, survey teams and engineering staff on construction projects. Duane is an expert in GPS data collection/post processing, provides QA/QC oversight and prepares survey calculations and outgoing packages for field crews.

Join Our Roster

We are looking for self-starters: Project Managers who thrive on responsibility… seasoned Professional Engineers (PE) seeking new challenges and professional growth…entry level Engineers looking for a career that will take them farther…faster. WLG is growing; come grow with us!

WestLAND's Group Join Our Roster Image - Showing WestLAND Groups' employees in front of a laptop and plans.

Our Work Culture

WestLAND's Group Our Work Culture Image - Showing WestLAND Group's employees in their desks.

When you work at WLG you’re part of a family – one that values each person’s contribution. We offer competitive pay and perks, fast career growth and encourage a healthy work/life balance.

Giving Back

Beyond our own business, we are deeply involved in our local community to help people in need, and we volunteer to support those who will one day make a difference in our profession.

Industry Advisors and Cal Poly Geomatics Conference

American Society of Civil Engineers | California State Polytechnic University Pomona

We mentor Cal Poly Pomona engineering students as Industry Advisors during their year-long, senior projects. We also sponsor geomatics conferences, national competitions for young engineers and offer student internship opportunities to further educational experience.

WestLAND's Group Leukemia and Lymphoma Society Image

Meghan’s Ride/Leukemia and Lymphoma Society

SoCalGas | Ridgecrest, CA

WLG employees have long supported childhood cancer research through the annual Meghan Ride fundraiser. The event, which honors the memory of a SoCalGas team member’s daughter, serves as an inspiration to hundreds of participants and sponsors.

WestLAND's Group United Way Programs Image

United Way Programs

United Way | Inland Empire

We are also committed to helping underprivileged children succeed in school. WLG employees volunteer to deliver essential school supplies to thousands of disadvantaged students through the School Tools Program, and donate backpacks of food to more than 1,800 homeless and hungry children through the Kids Pack Program.