key staff

Dow W. Peters, III, PE
President/Senior Civil/Roadway Engineer

Mr. Peters is a Project Civil / Roadway Engineer with a wide range of experience in transportation projects, horizontal and vertical geometrics, conceptual interchange design and Project Cost Estimating. He is FDOT certified in Specification development preparation, Long Range Estimating and Advanced Maintenance of Traffic. In addition, Mr. Peters is experienced in utility coordinating with FDOT and other agencies for various roadway projects. He has extensive background using Geopak and Microstation software. He has participated in the completion of numerous FDOT projects and with other local agencies. Mr. Peters currently serves on the City of Jacksonville’s Planning Commission.

Russell Yaffee, PE, PTOE
Vice President/Senior Traffic Engineer

Mr. Yaffee is a senior traffic engineer with over 25 years experience in both the public and private sectors. He is experienced in the preparation of traffic impact studies, level of service analysis, signal design, pavement marking design and parking lot layout and design. In addition, Mr. Yaffee has extensive sign design experience including construction detour signs, guide signs, motorist information signs, wayfinding signage systems and trailblazing signage systems, as well as experience in intelligent transportation systems, including ramp metering design, variable message sign design and lane use signal design. Mr. Yaffee is a member of the National Committee on Uniform Traffic Control Devices (NCUTCD), serving on the guide sign and motorist information, technical sub-committee.

Wayne Petrone, PE
Senior Traffic Engineer

Mr. Petrone is a traffic engineer has 35 years of experience and is a licensed professional engineer in Florida as well as Connecticut.  He has extensive experience in traffic signal design, traffic studies, transportation planning, transportation operations and signing & pavement marking design.  Mr. Petrone is an expert in using several software programs such as Synchro, SimTraffic, Traffix, Passer II, Passer III, and Guide Sign.  Mr. Petrone is a member of the Institute of Traffic Engineers, the International Municipal Signal Association (IMSA) and American Society of Highway Engineers.  Over the course of his career, Mr. Petrone has worked on thousands of projects involving intersection analysis, signal warrant studies and traffic signal design.

Mike Molkenbur, PE
Senior Transportation Engineer/Project Manager

Mr. Molkenbur serves as a Project Manager for Peters and Yaffee.  He has over 20 years of experience in the management and design of roadway and drainage projects for various clients, which include the Florida Department of Transportation, municipalities and private sector clients. Mr. Molkenbur’s design expertise includes the design of drainage conveyance systems and drainage treatment systems, the design of roadway geometric elements, and the integration of roadway elements with drainage elements. His successes in management and design include roadway reconstruction projects for the Florida Department of Transportation, the City of Jacksonville and the Jacksonville Transportation Authority, as well as many resurfacing projects for the Florida Department of Transportation.

Rusty Snider, PE
Transportation Engineer

Mr. Snider is a roadway designer with over 7 years of experience.  He is experienced and has training in the preparation of contract plans, FDOT Design Standard, FDOT Specifications, FDOT Plans Preparation Manual, FDOT Electronic Delivery, Trans*port/Designer Interface, and Geopak Road Corridor Modeling.  He is also Advanced Maintenance of Traffic Certified.  

Kelsey Cox, PE
Traffic Engineer

Miss Cox is a designer with 6 years experience in Transportation and Traffic Engineering.  She is experienced and has training in the FDOT’s Electronic Delivery, Advanced MOT, Trans*port/Designer Interface, and Long Range Estimating.  In addition she has experience in the preparation of pedestrian and traffic safety studies, traffic signal design, signing, and pavement marking design. 

Whitney Anderson, EI
Associate Traffic Engineer

Ms. Anderson received her Bachelors of Science Degree in Civil Engineering at the University of Florida. Prior to graduation, she interned at Peters and Yaffee for 3 years and was recently hired on full time as a Transportation Engineer.  She is currently proficient in the use Microstation and also is familiar with the use of Geopak and the FDOT Bar Menu. In addition, Ms. Anderson is skilled with the use of Microsoft Office including Word, Excel, Access and Project. Ms. Anderson has assisted with the Plans Production for various Roadway Projects, Signing and Pavement Marking Project and Signalization Projects.

Abid Virani, EI
Associate Traffic Engineer

Mr. Virani is a traffic engineer who has four years of experience in the traffic engineering field. He has experience in traffic signal inspection, traffic signal design, traffic studies, transportation planning, transportation operations and signing & pavement marking design. Mr. Virani is familiar with several software programs such as Synchro/SimTraffic, Tru-Traffic, and HCS 2010. Mr. Virani has worked on many projects involving intersection analysis, signal warrant studies, signing and pavement marking design and traffic signal design.