People

People

Our greatest asset is our people. Our staff of architects, engineers, parking specialists and administrative professionals lead the firm, providing project management and technical expertise, and exemplify our mission and values.

  • Todd J. Helmer

    Todd J. Helmer

    CEO

  • Todd J. Helmer
    • Todd J. Helmer, PE, SE
    • CEO
    • Philadelphia
    • Todd serves as Chief Executive Officer of THA Consulting, Inc. In his role as CEO, Todd is responsible for the overall vision and strategic direction of the company, as well as client relationships, business management, financial management, and overall corporate operations.

      Todd has over 30 years of experience in the field of planning, engineering, and architecture. He specializes in the planning, design, and restoration of mixed-use parking structures. Todd's expertise is focused on parking planning and the functional designs of mixed-use parking structures for higher education, healthcare, as well as many other market sectors.

  • Janice J. Haahs

    Janice J. Haahs

    Executive Chairman / CFO

  • Janice J. Haahs
    • Janice J. Haahs, MBA
    • Executive Chairman / CFO
    • Philadelphia
    • Janice is responsible for the firm’s financial management, including strategic financial planning, accounting system management, financial reporting and record-keeping. In addition, serving as CAO, she leads the Human Resources, Information Technology and Business Management departments. She and her staff seek to provide each employee with the resources they need to reach their full potential, both professionally and personally. Janice also serves as an officer for the Seoul National University Alumni Association.

  • Jim Zullo

    Jim Zullo

    President

  • Jim Zullo
    • Jim Zullo, AICP, LEED AP, CAPP
    • President
    • New Brunswick
    • Jim serves as President for THA Consulting. Prior to joining THA Consulting, Jim served as Senior Director of Real Estate and Economic Development for New Jersey Transit, the third-largest transit agency in the United States. In this position, Jim was responsible for the management of the agency’s real estate assets, property acquisitions, and sales, retail leasing, maximizing the revenue potential from these assets, undertaking transit-oriented development initiatives, and managing the agency’s 25,000 space commuter parking system. Jim has also served as Vice President of The New Brunswick Development Corporation, and Executive Director of the New Brunswick Parking Authority.

  • Mike Martindill

    Mike Martindill

    Vice President

  • Mike Martindill
    • Mike Martindill,
    • Vice President
    • Jacksonville, Atlanta, Miami
    • Mike manages the firm’s southeast operations, including project and financial management, and business development. His background and comprehensive knowledge of both parking planning and construction allows him to help clients at any stage of a parking project. His most recent experience includes the delivery of parking structures utilizing creative and innovative financial models with both private and public financing. Mike regularly presents on his expertise with P3, project management, parking planning and design, and regional and national events.

  • Noli C. Alarcon

    Noli C. Alarcon

    Vice President

  • Noli C. Alarcon
    • Noli C. Alarcon, PE, SE
    • Vice President
    • Philadelphia
    • Noli has more than 25 years of experience specializing in project management and design of parking and mixed-use structures. He is an expert in project management, structural engineering and restoration, leading the firm’s most complex projects. A recently elected Fellow by the American Society of Civil Engineers, he is an active member of the American Society of Civil Engineers (ASCE), the American Concrete Institute, the Precast/Prestressed Concrete Institute, Post-Tensioning Institute and the International Concrete Repair Institute.

  • Kevin W. Carrigan

    Kevin W. Carrigan

    Principal/Director of Engineering

  • Kevin W. Carrigan
    • Kevin W. Carrigan, PE, SE
    • Principal/Director of Engineering
    • Philadelphia
    • As Director of Engineering, Kevin leads the firm’s nationwide program in structural engineering and asset management services. His expertise includes structural design and documentation for mixed-use and parking structures, corporate offices, and research and development facilities. Kevin serves as a Board Member for the Delaware Valley Association of Structural Engineers, and is a member of the American Concrete Institute.

  • Chris Bieter

    Chris Bieter

    Corporate Director of Operations

  • Chris Bieter
    • Chris Bieter, PE
    • Corporate Director of Operations
    • Philadelphia
    • As Director of Operations, Chris plans and oversees the day-to-day operations and delivery of THA Consulting professional services. Chris serves as a Project Manager on a number of new design and restoration projects. His expertise is in providing leadership and guidance to clients and project teams throughout the design and construction process for parking design and engineering.

  • Marion K. Parker

    Marion K. Parker

    Director of Atlanta Operations

  • Marion K. Parker
    • Marion K. Parker, PE, SE
    • Director of Atlanta Operations
    • Atlanta, GA
    • Marion has more than 15 years of experience with parking design and layouts, circulation systems, revenue control systems and signage. She has served as the Project Manager on a number of complex projects, providing leadership and guiding clients and project teams throughout the design and construction process. In 2013, the Parking Association of Georgia recognized Marion with its inaugural President’s Award, recognizing people who have made a significant contribution to the parking industry in Georgia.

  • Michael  App

    Michael App

    Director of Architecture

  • Michael  App
    • Michael App, AIA, NCARB, LEED AP
    • Director of Architecture
    • Philadelphia
    • Mike serves THA Consulting as Director of Architecture, leading the firm’s architectural practice, and fostering innovation and creativity in the design of parking and mixed-use structures. Mike is a Registered Architect and LEED Accredited, Professional. His project expertise includes parking facilities, corporate offices, residential construction, and building renovations, with extensive practice in mixed-use and multi-family design.

  • Jonathan M. Shisler

    Jonathan M. Shisler

    Director of Design

  • Jonathan M. Shisler
    • Jonathan M. Shisler,
    • Director of Design
    • Philadelphia
    • Jon serves THA Consulting as Director of Design and manages projects for the firm’s regional offices. With 15 years of experience, Jon’s expertise includes all phases of building design, from programming through construction administration. His project portfolio includes the design, documentation, and administration of complex stand-alone and mixed-use parking facilities for clients such as Simon Property Group, Novartis Pharmaceuticals, the Miami Marlins, Sugarhouse Casino, Temple University, Rutgers University, and many municipal clients.

  • Vicky M. Gagliano

    Vicky M. Gagliano

    Director of Parking Studies

  • Vicky M. Gagliano
    • Vicky M. Gagliano, LEED AP
    • Director of Parking Studies
    • Tampa
    • Vicky serves the firm as Director of Parking Studies, leading the firm’s parking studies and efforts, providing expertise to all THA offices. She researches, analyzes, and recommends solutions to parking problems, and her extensive education and experience in financial analysis augment her expertise in performing financial feasibility and supply/demand studies.

  • Sun-Hee Hwang

    Sun-Hee Hwang

    Senior Engineer/Quality Assurance

  • Sun-Hee Hwang
    • Sun-Hee Hwang, PhD, PE
    • Senior Engineer/Quality Assurance
    • Philadelphia
    • Sun-Hee provides quality assurance for THA Consulting's parking and mixed-use projects. He has more than 20 years of experience specializing as a structural engineer, and has extensive expertise with all kinds of structural systems including pre-cast, post-tensioned, filigree, cast-in-place reinforced concrete, and structural steel structures. Sun-Hee has worked on many complex parking and mixed-use projects, for clients including the University of Pennsylvania, the U.S. Department of Veterans Affairs, and the Union Station Redevelopment Corporation.

  • Javier Sanchez

    Javier Sanchez

    Senior Project Manager

  • Javier Sanchez
    • Javier Sanchez, AIA
    • Senior Project Manager
    • Miami
    • Javier serves as THA Consulting's Miami office Senior Project Manager. Javier is a Registered Architect with a wide range of project expertise in parking, mixed-use, multi-family residential construction, corporate offices, and building renovations. His portfolio includes projects for the Miami Design District, Miami Parking Authority, and Continental Airlines. Javier is bilingual in Spanish and English.

  • Peter Sadowski

    Peter Sadowski

    Quality Assurance Manager

  • Peter Sadowski
    • Peter Sadowski
    • Quality Assurance Manager
    • Philadelphia
    • Pete serves as Quality Assurance Manager for the firm’s quality and standards program. With over 15 years in the parking industry, his extensive experience includes the execution of all phases of building design from programming through construction administration for standalone and mixed-use parking facilities. Pete provides technical leadership and in-house quality control for architectural projects and is also active in designer mentoring and project consultant roles.

  • Jean Choi

    Jean Choi

    Human Resource Manager

  • Jean Choi
    • Jean Choi,
    • Human Resource Manager
    • Philadelphia
    • Jean is responsible for ensuring that the human resources strategic goals and mission of human resources is met, through developing and managing a full range of human resource management functions, including recruiting, training, staff development and performance management, benefits administration, and compliance management.

Join our team.

We are always seeking highly motivated individuals who not only have a passion for what they do, but who will embrace our core values and mission and apply them in our day to day work.