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

Who We Are

Matthew H. Okubo, PLS

Glenn M. Chung, PE, QSD/P

Co-owners Matt Okubo and Glenn Chung are building on WestLAND Group’s industry reputation, and evolving the company into a well-respected, minority-owned firm, with technical capabilities that surpass the competition. Their 50+ years of combined leadership experience, together with an uncompromising commitment to superior client service, ensure that the WestLAND legacy lives on.

Meet Our Team


Matt and Glenn’s personal style and vision for the  company have 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.

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Charles (Doug) Pluta
PLS | VP | Geospatial Services

Doug has over 18 years’ experience serving the engineering needs of public utility and municipal agencies in Southern California. He manages complex railroad and gas projects, prepares field survey and mapping plans, and oversees Quality Assurance.

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Loye Peternell
BS | Business Administration | Director of Finance

Loye joined WestLAND Group after holding senior leadership positions at firms in the engineering, environmental services, architecture and construction industries. Her financial acumen is second to none.

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Aaron Havens
PLS | Director | Natural Gas Services

Aaron has 20 years’ experience as a Project Manager and land surveyor in transportation design, engineering, and construction management. When he’s not performing boundary analysis and mapping, he is WLG’s liaison with clients, project superintendents and engineering staff.

Jesus Villegas
MS | Geographic Information Systems | VP | GIS and Closeout

Jesus leads and develops a team which supports all of WestLAND Group’s digital mapping efforts. He is WLG’s resident expert on essential engineering platforms such as ArcGIS, AutoCAD and AVEVA, among others.

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Matt Kunkle
BS Civil Engineering | VP | Land Development

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

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Ben Macaluso
VP | Business Development

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

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David Schiller
BS | Mechanical Engineering | VP | Strategic Planning

David has over 30 years experience in utility engineering, construction management, process improvement, strategic planning and organizational development. Prior to joining WLG, David was Director of Assets for Henkels & McCoy, and held key management positions at Sempra Energy/ SoCalGas.

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Duane Balderston
Director of Construction

Duane’s 30+ 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.

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Renato Villareal
BS | Chemical Engineering | Director | Pipeline Engineering

Renato has over 38 years of project management, process engineering and estimating experience in the power generation, oil and gas industries. His areas of expertise include pipelines and compressor stations, refineries and petrochemical plants, tank farms and loading facilities.

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Glenn C.

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Matt O.

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Siara M.

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Join Our Roster

We are looking for self-starters: Project Managers who thrive on responsibility… seasoned PE’s seeking new challenges and professional growth…entry level engineers looking for a career that will take them farther…faster. WestLAND Group 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 WestLAND Group, 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 and national competitions for young engineers, and offer student internship opportunities to further their 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 “Meghan’s Ride” annual fundraiser. The event, which honors the memory of a SoCalGas family’s daughter, serves as inspiration to hundreds of participants and sponsors.

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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.