Our Team

Marcia Shapiro

Marcia S. Shapiro

Marcia S. Shapiro, President of Marine Tiger Technologies, began her career as a public administrator working for the City of Paterson, NJ, where she spearheaded the transition from paper-based data management to the application of computer-based systems for managing city operations. After leaving the public sector, Marcia joined Computran Systems where she managed the delivery of traffic control systems and ITS projects across the US. In 1998, Marcia joined Spear Technologies, where she led the implementation of a CMMS (computerized maintenance management system) for MTA NYCT Department of Subways. Marcia currently supports transit clients in assessing compliance with MAP-21 and the FAST Act and serves as an instructor for the National Transit Institute’s Introduction to Transit Asset Management course. She has presented on the benefits of asset management at the APTA, WTS and NYWEA Annual Meetings.

Edward Tella (photo)

Edward R. Tella
Vice President, Asset Management & Business Consulting

Ed Tella leads our asset management and business consulting practice. Ed has over 25 years of EAM experience, starting with the implementation of asset management and plant information systems for utility and transportation sector clients. Since 1997, he has focused on public transit, serving as Product Manager at Spear Technologies, Product Manager at Infor Global Solutions, and Industry Solution Leader for Global Travel and Transportation at IBM. At Marine Tiger, he has applied his extensive knowledge of the rail and bus industry to the assessment of MAP-21, FAST Act and ISO-55001 compliance for multiple transit agencies including MTA Long Island Rail Road, the Port Authority of NY York and NJ and Dallas Area Rapid Transit. Ed excels at the development of conceptual designs and business requirements for the implementation of technology solutions to support transit and transportation operations.

Doreen Bartholdus

Doreen Bartholdus
Senior Consultant, Program & Construction Management

Doreen Bartoldus leads our program and construction management practice. Doreen is a licensed PE and Certified Construction Manager with experience in design, quality control, inspection and testing, and project management. She has overseen all aspects of construction projects from procurement to closeout and is a subject matter expert in project controls including risk management and cost management processes. Prior to joining Marine Tiger, Doreen was the Executive PM/CM for various upgrade projects within Grand Central Terminal for MTA Metro North Railroad and a Project Principal for NYC Department of Environmental Protection’s project to update the Newtown Creek Water Pollution Control Plan. Doreen teaches a graduate course in Advanced Project Controls for the Built Environment at Stevens Institute of Technology’s Construction Management Program.

Harold Herstein (photo)

Harold I. Herstein
Senior Consultant, ITS & Systems Engineering

Harold I. Herstein, an electrical engineer with subject matter expertise in systems architecture, systems integration, and communications engineering, leads our ITS and systems engineering practice. Harry has developed project specifications for system procurement; communication and interface requirements between subsystems and field devices as well as comprehensive test programs. He brings over forty years of experience designing computer-based transportation management systems. Before joining Marine Tiger, Harry provided construction support and inspection services to NYC Department of Transportation on its ITS projects for the Williamsburg and Manhattan Bridges. Harry recently led Marine Tiger’s participation in a cybersecurity study for Long Island Railroad and is the Technical Lead for Marine Tiger’s work on the MTA Bridges and Tunnel’s ITS Program.

Gregg Rosenstein

Gregg A. Rosenstein
Training Lead/Data Analyst

Gregg A. Rosenstein leads our training, documentation and data analysis practice. Over the course of his career in information technology, Gregg has served in many roles including that of data analyst, technical trainer, technical writer, technical support manager, and database administrator. As a training specialist for the NYC Department of Education (DOE), he built and maintained web-based client training environments; provided instructor-led technical training both in-person and via WebEx; and developed training materials to support the rollout of SESIS, DOE’s Special Education Student Information System. Since joining Marine Tiger, Gregg has managed the delivery of training and documentation for SEPTA in support of its new fare payment system; conducted data analysis for the Port Authority of NY and NJ; and designed and executed a training program for NYC Department of Transportation’s new Sign Information Management System.

William T. Van Zilen, Senior Business Analyst

William T. Van Zilen
Senior Business Analyst

William T. Van Zilen is a Business Analyst and Project Manager with 15 years of business analysis and design experience for both public and private sector IT projects. His strengths include business analysis, process modeling, requirements analysis, SDLC, software training and software testing. Bill has worked closely with the NYC Department of Environment Protection over the past several years to design a computer-based Municipal Separate Storm Sewer System (MS4) reporting, recordkeeping, and permit tracking system. He has supported NY MTA in meeting National Transit Database requirements to meet new FTA requirements for asset inventory and condition assessment reporting and developed documentation for the Port Authority of NY and NJ’s Asset Management Project. Most recently Bill has served as Marine Tiger’s Technical Lead for North Jersey Transportation Authority’s Shared Transportation Data Mobile Application project,