Mark Kestel, PE / Asst Vice President - EngineeringMark Kestel is an Assistant Vice President with 23 years of experience in civil design, engineering, processing, and construction administration. His projects include both residential and commercial land development with Clients in the private and public sectors. At PDC, Mr. Kestel provides management and oversight to the Urban Engineering Design Team.


Some of his significant projects include:


  • 55th Street Village, San Diego, CA
  • Broadway 655, San Diego, CA
  • Mercado Del Barrio, San Diego, CA
  • La Vita, San Diego, CA
  • Ray and Joan Kroc Salvation Army Community Center, San Diego, CA




Mark Kestel, PE / Assistant Vice President - Engineering

Marina Wurst, PE / Asst Vice President - EngineeringMs. Wurst is an Assistant Vice President, specializing in land development engineering and management. Ms. Wurst is a registered Civil Engineer with over 15 years of experience in managing several multi-million dollar projects throughout southern California.


Marina's experience includes:


  • Bressi Ranch-Project
  • Elmore Ranch
  • Little Valley
  • Millenia
  • Tuscany Crest
  • Tuscany West
  • Wasson West




Marina Wurst, PE / Assistant Vice President - Engineering

Sean Mulcahy, MS, PE / Associate - Project Manager - EngineeringSean is a licensed civil engineer with extensive experience in urban design and infill projects which include residential high-rise condo towers, hotels, public infrastructure, parks, commercial and retail sites, affordable housing, as well as institutional projects.


Significant assignments include:


  • Broadway Pier, San Diego, CA
  • North Embarcadero Visionary Plan, San Diego, CA
  • San Diego Convention Center Expansion, San Diego, CA
  • San Luis Rey Transit Center (NCTD), San Diego, CA
  • Sorrento Valley Double Track Improvement, San Diego, CA




Sean Mulcahy, MS, PE / Associate - Project Manager - Engineering

Chelisa Pack, MS, PE, QSD / Senior Project EngineerChelisa is a Registered Civil Engineer specializing in drainage and stormwater quality. Her experience spans a wide range of public and private projects in Riverside and San Diego Counties including development and implementation of SWPPPs, design of storm drain improvements, analysis of hydromodification management practices, analysis of hydrology and hydraulic models, and design of best management practices, (BMPs) which includes low impact development (LID) practices.


Chelisa's projects include:


  • 15th & Market (QSD/QSP), San Diego, CA
  • Melrose Drive, Oceanside, CA
  • Murrieta Creek Bridge and Overland Drive Extension, Temecula, CA
  • San Dieguito Wetlands Restoration, San Diego and Del Mar, CA




Chelisa Pack, MS, PE, QSD / Senior Project Engineer

Trisha Jones, PE / Project EngineerTrisha is part of the Urban Engineering Design Team at PDC. She has worked on several urban redevelopment projects throughout the City of San Diego. Her experience includes civil design, engineering, and agency processing.


Some of her experience includes:


  • Broadstone Balboa Park, San Diego, CA
  • Broadstone Little Italy, San Diego, CA
  • Cesar Chavez Parking Structure, San Diego, CA
  • Hotel Churchill, San Diego, CA
  • Lane Field, San Diego, CA
  • Old Police Headquarters, San Diego, CA




Trisha Jones, PE / Project Engineer

Robert Murphy, PE, LEED AP / Vice President - Engineering - PhoenixMr. Robert Murphy is Vice President of Engineering for the Phoenix office of PDC. As a  Registered Civil Engineer Bob brings over 30  years of varied management and design experience to both public and private Clients where he focuses on obtaining a clear understanding of each client’s needs and pursues activities to meet or surpass expectations. In addition to management responsibilities for the Phoenix Engineering Group Bob participates on a daily basis in the management of a wide variety of projects in land development and public infrastructure.


His management of development and public infrastructure includes these highlights:


  • Bullard Avenue, One Mile of Arterial Street Improvement, Goodyear, AZ
  • Camelback Ranch, Single Family Subdivision, Phoenix, AZ
  • Goodyear Planned Region Center Subdivision, Goodyear, Arizona
  • Mission Royale  Master Planned Community Casa Grande, Arizona
  • Wood Corporate Campus/Ballpark Village, Goodyear, AZ




Robert Murphy, PE, LEED AP / Vice President - Engineering - Phoenix

Greg Shriver / Asst. Vice President - Construction SurveyMr. Shriver serves as Assistant Vice President of Construction Survey, providing 39 years of survey and mapping related experience. He has held a variety of positions at PDC, including Senior Party Chief, Crew Manager, and most recently Assistant Vice President; managing numerous projects with a variety of survey tasks from subdivisions to high rise buildings.


Some of his projects include:


  • Downtown High Rise Buildings
  • 33-Story Hyatt Tower and Pavilion, San Diego, CA
  • Petco Park, San Diego, CA
  • SDSU Trolley System, San Diego, CA




Greg Shriver / Assistant Vice President - Construction Survey

Larry Naiman / Senior Party Chief - SurveyMr. Naiman is a Registered Land Surveyor and Associate with more than 42 years of experience with both public works and private improvement projects. Responsible for performing GPS and conventional geodetic control surveys, aerial mapping control surveys, topographic surveys, construction surveys, design surveys, right-of-way surveys, monumentation surveys, right-of-way maps, record of survey maps, legal descriptions, grant and easement deed documents, parcel maps, subdivision maps, lot line adjustments and lot merger maps, and value engineering. Experience includes both field and office aspects of the projects.


His experience includes:

  • Mission Valley East LRT Trolley at SDSU, San Diego, CA
  • Petco Park, San Diego, CA
  • Valley Center Road Phase I - Construction Staking - County of San Diego, CA
  • WHERENET, Multiple Projects, 33 Sites





Larry Naiman, LS / Senior Party Chief - Survey

Jon Becker, RLA, AICP / Asst Vice President - PlanningJon has served in the management and design of both public and private developments in many locations throughout the US and Mexico, with most of his experience focused in the Southwest. His background includes both physical and policy planning, with his physical planning experience ranging from half-acre infill sites to several-thousand-acre walkable community developments. He designs urban settings, residential housing communities, park developments, and commercial facilities. No matter how small or large the project, his focus has always been to create livable neighborhoods with a sense of place.


  • Aviara Residential and Resort Community, Carlsbad, CA
  • Andalusia, City of Imperial, Imperial County, CA
  • North Embarcadero Visionary Plan, San Diego CA
  • Quarry Falls, Mission Valley, San Diego, CA




Jon Becker, RLA, AICP / Assistant Vice President - Planning

Camille Passon, AICP / Senior PlannerCamille is responsible for managing complex projects; preparing policy documents and regulatory ordinances; conducting land use and zoning research; evaluating development proposals for consistency with codes and policies; preparing and processing entitlement applications; and delivering presentations to decision makers. She is a highly effective project manager that consistently keeps projects on schedule and on budget. She is also skilled at maintaining open lines of communication and has been involved in many issue resolution meetings to initiate agreements between developers, agency staff, and community members.


  • City of Indio
  • City of National City
  • City of Solana Beach
  • County of San Diego




Camille Passon, AICP / Senior Planner

Dave Ambler,  LS / Senior Land Surveyor

Mr. Ambler is a licensed land surveyor with 40 years of surveying and mapping experience gained through projects such as subdivision map preparation, writing legal descriptions, deed interpretations, performing coordinate geometry calculations, field-survey calculations, providing boundary analysis, ALalTAa surveys, title review and encumbrance/easement mapping, condominium plans, right-of-way engineering, topographic mapping, parcel record of surveys and final map preparation, lot line adjustments and record of survey maps, construction and detailed topographic surveys.


Some of Mr. Ambler's experience includes:


  • 4S Ranch, County of San Diego, CA
  • Aviara Resort Community, City of Carlsbad, CA
  • City of Enciniatas and the City of Solana Beach Survey Control Network,
    City of Encinitas and City of Solana Beach, CA
  • North City West / Carmel Del Mar, San Diego, CA
  • Rams Hill, Borrego Springs, CA
  • San Diego County Water Authority
  • San Elijo Hills, San Marcos, CA
  • San Vicente Dam Raise, San Diego, CA




Senior Land Surveyor

Raul Rodriguez,  Senior Project Engineer

Trisha Jones, PE / Project EngineerMr. Rodriguez is a Project Engineer in the firm’s land development engineering group. He has over ten years of civil engineering experience in single family land development, commerciall land development, street improvements and utilities. He also has experience in project management, communication and coordination with Clients, consultants and agencies.


Highlights of Mr. Rodriguez' relevant work experience include:


- Carmel Valley Neighborhood 10, San Diego, CA

- Corporate Center Phase 3, Otay Mesa, CA

- Ocean View Hills Parkway, Otay Mesa

- Pacific Highland Ranch, San Diego, CA




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