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Matthew S. Gaber, RLA, to lead NCE’s

NCE is excited to announce the addition of Matthew S. Gaber, RLA, to lead NCE’s new Landscape Architecture service area. A licensed Landscape Architect in the state of California, Mr. Gaber brings a wealth of professional experience across the United States and beyond. Prior to joining NCE, Mr. Gaber worked at SWA (a large, international design firm) and led a Landscape Architecture studio in Berkeley, Calif. He specializes in providing creative design solutions at complex sites, typically working with diverse communities and satisfying extensive agency permitting requirements.

Over the course of 30 years designing and implementing projects, Mr. Gaber has gained a unique perspective on the practice of landscape architecture. Throughout his career, he has sought work that is environmentally and socially responsible, with a strong focus on client service and relationships. Under Mr. Gaber’s leadership, the Landscape Architecture Studio within NCE will focus on collaboration with NCE’s existing service areas, expanding the scale and scope of NCE’s built work while utilizing the deep technical expertise of NCE professionals. Mr. Gaber is currently leading the permitting, design and implementation of a variety of projects, including an extension of the Bay Trail in San Jose, Calif., which features overlooks and new watershed plantings along the Guadalupe River; the renovation of the streetscape and front gateway at UC Berkeley’s International House; and a new medical school campus with a teaching hospital in Elk Grove, Calif.

A life-long learner, Mr. Gaber earned a Bachelors of Landscape Architecture from UC Berkeley’s College of Environmental Design in 1987 and a Masters of Landscape Architecture from Harvard’s Graduate School of Design in 1995.

An avid gardener, he can be found most weekends exploring nurseries, walking throughout the East Bay studying the built landscape, or working in his constantly evolving garden with his wife and three children.

For more about NCE’s new Landscape Architecture service area, visit our website.

Landscape Architecture


With a passion for creative and environmentally responsible design, NCE’s landscape architects and community designers assist and guide clients in all phases of the design and construction process. Our staff specializes in creating solutions to solve complex economic, social, and environmental challenges that require patience, vision, and an ability to listen. We explore ideas with clients and conduct extensive research, emphasizing pragmatism and the resourceful use of materials. Working with a broad array of graphic techniques, we use a range of media to convey complicated ideas to the public in a compelling and easily discerned manner.


  • Master Planning
  • Green Infrastructure
  • Digital and Hand-format
  • Visualizations
  • Design Guidelines
  • Interpretive Design
  • Landscape Architecture
  • Resiliency Design
  • Community Outreach
  • Restoration Design
  • Urban Design
  • Site Planning

Michael Leacox Named Director of Marketing at NCE

Mike Leacox - CircleNCE is pleased to announce that Michael Leacox, PG, CEG, has assumed the role of Director of Marketing at NCE.

“Mike’s 32 years in the business and 17 years with NCE have given him a comprehensive knowledge of the firm’s capabilities in civil and pavement engineering, environmental sciences, and watershed science and planning. He has worked with our clients across multiple disciplines and thoroughly understands their needs. His new position will allow him to capitalize on that background and promote NCE’s unique skillset with cities and counties.” says CEO Margot Yapp.

Mr. Leacox joined NCE in 2003 as a Principal, working out of the company’s Sacramento office. As Director of Marketing, Mr. Leacox will lead NCE’s ongoing commitment to put clients first and to offer the company’s full range of services to meet client needs. He will collaborate with existing and potential clients to develop and propose solutions for large-scale and small-scale federal, public, and private projects.

“NCE is full of exceptional talent and resources. My goal is to support the staff as they deliver projects to clients, while at the same time helping the firm succeed,” Mr. Leacox says.

Mr. Leacox received his BS in Geology from UC Davis in 1984. He is a member of the Civil Engineers Association of California, American Public Works Association, and Groundwater Resources Association.

NCE Welcomes New Team Members

NCE welcomes and is excited to add long-time friends and collaborators André G. Jadkowski, PE, Thomas M. Palmerino, PE, and Andrea Valentine formerly with A-N West, Inc. to our team. Andre, Tom, and Andrea add experience and technical skills that are great assets to our clients and NCE. They bring a depth of experience providing civil and structural engineering services to public agencies and private clients throughout the San Francisco Bay Area with over 35 years of successful projects involving the design of streets and highways, bikeways, trails, bridges, city parks, residential and commercial developments, and storm drainage and flood control facilities. Some of their recent clients include the Cities of Pinole, El Cerrito, Richmond, San Pablo, Los Gatos, and San Jose; the Town of Corte Madera; and Contra Costa County. They can be reached at NCE’s Richmond office at (510) 215-3620. Brief introductions to each follow:

Andre Preferred - Circle v3André G. Jadkowski, PE
Principal Engineer

Mr. André Jadkowski, PE is a project manager and principal-in-charge with over 35 years of experience in civil and structural engineering projects related to bike and pedestrian trails, streets, roads, parking areas, site development, and utilities. His experience includes water resources, including storm drainage, flood control, pumping stations, sanitary sewers, and water distribution systems. These projects ranged from preliminary studies to feasibility reports to design to construction support services. His responsibilities include planning, engineering studies, analysis, design, surveying, inspection, computer applications, specifications, and cost engineering. André earned his BS in civil engineering from the University of the Pacific in 1982 and holds professional civil engineering licenses in the States of California (#42314), Nevada (#11619), and Arizona (#29609).


Tom Preferred - Circle v2Thomas M. Palmerino, PE
Senior Engineer

Mr. Thomas (Tom) Palmerino, PE is a practicing general civil engineer with over 46 years of experience and has worked on transportation projects in Northern California since 1980. Over that time, his roles have ranged through project management, planning, analysis and design, construction inspection, and post-construction claims. His experience with civil and structural engineering projects includes culverts, retaining walls, pump stations, and pipeline relocations. His experience in transportation-related structures includes creek crossings and highway crossing of various bridge types, including cast-in-place and precast concrete structures and steel structures. Tom earned his BE in civil engineering from Manhattan College in New York in 1971 and holds professional civil engineering licenses in the States of California (#29562) and Arizona (#20001).


Andrea - Circle v2Andrea J. Valentine
Senior CADD Technician

Ms. Andrea Valentine is a CADD drafter with nearly 40 years of experience providing layout and drawing of civil and structural plans, control lines, profiles, sections, and details based on engineers’ sketches and markups. She works with engineers to provide lot line adjustment boundaries; develops, implements, and updates CADD standards; and sets up and maintains drafting records and documentation. Her program experience includes AutoCAD, Bentley Microstation, and Microsoft Word and Excel. Andrea earned her BA in theory and practice of art from Northwestern University in 1974 and has taken various drafting, graphic arts, solar design, technical math, cartography, natural sciences, and computer training courses at various San Francisco Bay Area colleges.

Margot Yapp, PE will succeed Claude Corvino

Margot 13 v3NCE is pleased to announce that Margot Yapp, PE, will succeed Claude Corvino as President and Chief Executive Officer of NCE when he retires on June 1, 2019. Ms. Yapp currently serves as Vice President of NCE.

“Margot brings a unique set of technical skills and a thorough understanding of public policy at the state and local levels. Her passion for our staff and commitment to our clients is completely in line with our firm’s guiding principles,” says Corvino.

Ms. Yapp joined NCE in 1994 and opened the firm’s first California office. She has been prominent in pavement design and management projects and successfully led the biennial California Statewide Local Streets and Roads Needs Assessment study, which provided the Governor and Legislature with the data needed for new transportation funding.

“My personal goal has always been to make sure that the work I do is meaningful and that it contributes to the community by improving people’s lives. Joining NCE was an opportunity for me to realize that goal, as it allowed me to work with public agencies in the important field of transportation,” she says.

“As an engineering and environmental firm that focuses on transportation and infrastructure,” she continues, “NCE is ideally situated to have a huge positive impact on our communities. Our talented men and women offer practical solutions and are committed to making things happen. I am honored to be part of this team, and consider it a privilege to lead them to an exciting future.”

Ms. Yapp received her BS and MS in Civil Engineering (Pavements) from Oregon State University, and her MPP from UC Berkeley. She is a member of the American Society of Civil Engineers, the American Public Works Association and the Transportation Research Board.

Dr. Gail Ervin of The Ervin Consulting Group, a long-time friend and collaborator of NCE, joins forces with NCE

Gail ErvinDr. Gail Ervin of The Ervin Consulting Group, a long-time friend and collaborator of NCE, is joining forces with NCE to better serve her clients and communities with a team of exceptional professionals that share her values and commitments. She is a consulting principal with over 30 years of experience in environmental assessment and planning, facilitation, and public dispute resolution, specializing in downtown commercial and housing development, municipal infrastructure, adaptive reuse of historic buildings, military base closures, and brownfield development, with special expertise in downtown and neighborhood revitalization and CEQA/NEPA compliance for both the private and public sectors. Her professional experience, uniquely complemented by her active civic involvement, provides a thorough understanding of project analysis, public dispute resolution, public policy development, project management, public outreach, and development review from all perspectives. Gail and NCE embody an ethic of collaboration, integrity, and service. NCE is honored to combine forces with her. Gail can be reached at NCE’s Richmond office at (510) 215-3620, at her mobile at (916) 764-2498, or at