About Us

Our culture of quality and service is inherent in every type of power industry engagement and service we offer.

  • Newsworthy

    Learn more about what we’re doing in the industry, as well as read the latest publications and news releases.

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  • Technical Expertise

    Our technical specialists are industry leaders in code committees and all aspects of leading-edge technical issues.

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  • Company History

    For 125 years, we’ve remained exclusively focused on the power industry, providing leadership and quality services for complex power generation and transmission projects.

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  • Global Capabilities

    Our full range of services is available globally with specific knowledge and project experience in more than 90 countries.

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  • Core Values

    Our integrity, ethics, and professionalism are tightly woven into who we are and the quality of work we produce every day.

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  • Community Involvement

    We strive to connect with our local communities through volunteer programs, good corporate citizenship, and by assisting those in need.

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Leadership banner
  • Thomas White

    Chairman, President & Chief Executive Officer

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    Thomas White took over the leadership of Sargent & Lundy in January 2014, having served previously in executive positions as the president, EVP of Sargent & Lundy’s fossil power business, and senior vice president & project director.

    During his 10-year tenure as project director, he led numerous complex power projects for multiple utilities. These projects encompassed new greenfield and brownfield natural gas-fired and coal-fired power plants and major coal plant modification programs, including emission control systems retrofits and repowering. He also served as the firm’s executive committee member for major project joint ventures.

    He joined Sargent & Lundy in 1985 after several years as a field engineer and rose rapidly in the company through the project management ranks. As an engineer and project manager, he was engaged in diverse new generation and modification projects, system planning studies, and environmental compliance planning.


    • Board of Directors Nuclear Energy Institute
    • Board of Directors Construction Industry Roundtable
    • National Coal Council 2009-2014 (Federal Advisory Committee to the U.S. Secretary of Energy)
    • United Way Tocqueville Advisory Committee
    • Advisory Committee for the Sargent & Lundy Scholarship Endowment Fund at University of Illinois at Urbana-Champaign


    B.S. Metallurgical Engineering from University of Illinois at Urbana-Champaign


    Licensed Professional Engineer – Illinois, Michigan, Minnesota, Missouri, North Carolina, and North Dakota

  • Delfo Bianchini

    Executive Vice President & Director of Nuclear Power

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    Delfo Bianchini is an executive vice president with more than 37 years of experience with Sargent & Lundy, focused primarily on nuclear power projects. He is the director of the firm’s nuclear power business, responsible for the overall management of all nuclear new generation and nuclear services work performed by Sargent & Lundy.

    During his tenure as a project director, Bianchini led the firm’s execution of major nuclear projects for multiple clients in the United States and internationally. These projects spanned the detailed design and engineering management for new-build projects under development, restart and recovery programs for BWR and PWR units, and fleetwide modification and improvement initiatives.

    Bianchini joined the firm in 1979 as a mechanical engineer involved in engineering and analysis for both nuclear and coal-fired power plants.


    • Nuclear Energy Institute’s Nuclear Strategic Issues Advisory Committee (NSIAC)
    • Elected a Fellow in the American Society of Mechanical Engineers in 2013
    • American Nuclear Society member
    • Northwestern University Otto Graham Society member


    • B.S. in Nuclear Engineering from Northwestern University
    • MBA from the University of Chicago


    Licensed Professional Engineer – Illinois, Michigan

  • Tom Meehan

    Executive Vice President and Director of Energy & Industrial

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    Tom Meehan is an executive vice president and director of the firm’s non-nuclear power generation, oil & gas, and industrial businesses. He is responsible for the overall management of the firm’s efforts in areas that include coal and gas power generation, waste-to-energy, air/water/solid waste environmental, CO2 carbon sequestration, mid-stream and down-stream oil & gas, and multi-discipline industrial projects for both domestic and international clients.

    Meehan joined Sargent & Lundy as a structural engineer in 1983. Early during his career with the firm, his project work encompassed structural engineering activities that included domestic and international field assignments involving the full array of power generating technologies and fuels.

    During his tenure as a project director, Meehan was responsible for a diverse client base on a wide array of projects that included new power generation and major environmental control retrofits. He also served on the executive committee for various EPC projects.


    • Structural Engineers Association of Illinois
    • American Society of Civil Engineers
    • United Way Tocqueville Society
    • Sargent & Lundy Scholarship Fund for University of Illinois – Chicago


    • B.S. in Structural Engineering from University of Illinois – Chicago
    • Executive Business Management Program (KMI), Northwestern University Kellogg School of Management


    • Licensed Structural Engineer – Illinois
    • Licensed Professional Engineer – Illinois, Michigan

  • Ejaz Shameem

    Executive Vice President & Director of Energy Business Consulting

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    Ejaz Shameem is the executive vice president and director of Sargent & Lundy’s energy  consulting business. He is responsible for the overall management and direction of the group’s various global engagements spanning development planning, oversight, and operations and maintenance support for all power technologies.

    Shameem joined Sargent & Lundy in 1985 as a structural engineer and later made the transition to mechanical engineering, then into project management. During his career with Sargent & Lundy, he has been involved at increasing levels of responsibility in the design of power plants encompassing an array of power generating technologies including coal, natural gas, oil, and nuclear.

    During his tenure as a project director, Shameem was responsible for developing new international clients and led several large, gas-fired and coal-fired new generation projects overseas. He also led a substantial technology transfer and collaboration agreement with a major overseas client.


    • B.S. in Physics from University of the Punjab, Pakistan
    • B.S. in Civil Engineering from University of Illinois, Chicago


    Licensed Professional Engineer – Illinois, Michigan, and Arizona

  • Michael Helminski

    Executive Vice President, Finance & Legal

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    Michael Helminski has more than 38 years of experience at Sargent & Lundy, including more than 10 years as general counsel and five years as chief financial officer. He is responsible for the overall management of the financial, legal, human resource, and corporate communication areas of the company.

    Previous leadership positions include serving as the firm’s commercial manager. In this position he was responsible for all contracts that the company entered into, including EPC contracts and joint venture agreements. He was also responsible for the business insurance and risk management process.

    Helminski joined Sargent & Lundy in 1982. Early in his career, he was involved in various engineering projects primarily on nuclear power plants.


    • Association of Corporate Counsel member
    • Marquette University Engineering Alumni Scholarship Fundraising Supporter
    • Science Olympiad Middle School Event Coach
    • Boy Scouts of America Local Troop


    • B.S. Mechanical Engineering from Marquette University, Milwaukee, Wisconsin
    • MBA from Loyola University, Chicago, Illinois
    • JD from IIT Chicago – Kent College of Law, Chicago, Illinois


    Member of the Bar in Illinois and Wisconsin and with the United States Patent and Trademark Office

  • Mark Santschi

    Senior Vice President & Director of Operations

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    Mark Santschi is responsible for overall coordination of Sargent & Lundy’s infrastructure groups, including IT and all of the engineering and design tools employed by the company. He provides strategic leadership for S&L’s construction management and electrical analytical services, as well as the firm’s project controls and cost estimating groups. He oversees the engineering process and project controls groups, the firm’s engineering and technical standards, and development of technical staff proficiency to serve the needs of the electric power industry.

    Santschi joined Sargent & Lundy in 1986 and began his career performing I&C engineering activities for nuclear, coal, oil, and gas plant projects. His numerous project experiences include new generation and betterment services for both international and domestic clients and sites. During his tenure as a project director, he was responsible for diverse projects that included environmental retrofit, combustion turbine, and fossil and nuclear plant betterment projects, as well as for multiple client relationships throughout the United States.

    In 2014, Santschi was appointed Director of Engineering with strategic responsibility over Sargent & Lundy’s engineering knowledge and capabilities infrastructure, and over the firm’s specialty engineering groups. In 2019 he was appointed Director of Operations.


    • ASME Industry Advisory Board
    • ACE Mentor Chicago Board of Directors


    B.S. in Mechanical Engineering from the University of Illinois, Urbana-Champaign


    Licensed Professional Engineer – Illinois, Michigan