Los Angeles Engineering and Environmental Consultants

D R Consultants & Designers, Inc.

D R Consultants & Designers, Inc. (DRC) is a highly acclaimed engineering consulting firm providing full spectrum civil and infrastructure design, municipal consulting, program and construction management, environmental planning and restoration for a wide range of municipal, public works and transportation facilities. For nearly 30 years, we have been a devoted and trusted partner to U.S. federal, state, and local government agencies. To this diverse client base we bring strategic vision and an entrepreneurial spirit, developing innovative, cost effective solutions for our clients' most challenging projects.

We operate with a commitment to integrity, innovation and technical excellence….this is our cornerstone. We invite you to view the contents of our website including projects, outstanding performance evaluations, references, commendations and prestigious awards from the American Public Works Association, the Los Angeles Council of Engineers and Scientists to mention a few. Review the professional capabilities and accomplishments of our key personnel, our core values of safety, leadership, ethical behavior, operational excellence, and technical innovation. Welcome to D R Consultants & Designers, Inc.


DRC has three decades of experience managing multi-million dollar projects on time and in budget. Each DRC client is served by a technical focus team, headed by a Senior Project Manager. All activities are conducted with approved plans, budgets, and timetables. Close involvement with clients allows DRC, with the special skills gained from years of practical experience, to gain a complete understanding of our client's needs, we apply innovative and cost effective solutions that exceed expectations for all contract tasks and deliverables.

Due to the skills and expertise of our excellent management staff, DRC earned a highly sought after Federal Government designation for any small business. DRC is one of a few small businesses in the country that earned a Defense Contractor Audit Agency (DCAA) audited cost reimbursement (CR) contractor rating. We are one of only a few small businesses that have highly efficient accounting and project control systems to immediately accept and reliably manage projects under both the firm-fixed-priced (FFP) and the cost-plus-award-fee (CPAF) contracting formats. Ms. Wanda M. Martinez, our Chief Executive Officer, is supported by the following Senior Management Staff and Responsible Charge Engineers. Additional senior support staff can be found in "Our People" section of this website:

Larry Davis, PE

Board Member

Prakash Navani

Program Manager/Automation

Dejan Miljanovic, Ph.D.

Project Manager

Lee Holguin, P.E.

Project Manager

Michael J. Grossman

Marketing and Business Development

Danny Bautista, EE

Senior Electrical Engineer

Christopher Pappas, P.E.

Project Engineer

Ruth Lehmann, PE, PMP, LEED GA

Senior Program/Construction Manager

Madhusoodan Bhatt, PE

Senior Project Manager

Lynda Dachnowski

Senior Accounting Manager

Henry Lopez, CPA

Accounting Manager

Robert S. Wright, P.E., GE

Principal Civil/Geotechnical Engineer

Arnold Goulbourne

Principal Instrumentation Engineer

Fang Maw Lee, Ph.D., P.E.

Senior Sanitary Engineer

Bob Babbitt, REA

Senior Odor Control Specialist

Attorney Web Design

The information on this website is for general information purposes only.

Phone: (213) 687-1130
400 South Hope Street, Suite 1100, Los Angeles, CA 90071

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