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About Us
Home > About Us

    • About Us
    • Board and Leadership
    • Our History

Nathan is a private international economic and analytics consulting firm that works with government and commercial clients around the globe to deliver practical solutions and achieve lasting results. Whether building frameworks for economic growth or navigating regulatory hurdles, securing infrastructure financing or evaluating and assessing disputes, Nathan’s experts serve as trusted partners, offering clients the analysis, technical advice, and strategies they need for sound decision-making. Known for both technical and service excellence and with corporate offices in the US, London, and India and more than 40 program offices around the world, we offer the following areas of expertise, honed since our founding in 1946:

  1. – International Development
  2. – Litigation & Expert Services
  3. – Infrastructure Project Development & Finance
  4. – Advisory Services

Nathan’s Corporate Officers and Board of Directors possess a depth and breadth of expertise across many disciplines. Experienced and respected leaders, they are committed to maintaining the firm’s long-held reputation for high-impact, tangible results that meet the highest standards of excellence.

Board Members

Chaudhari, Usha Nathan Associates

Usha Chaudhary

Board Member
Susan B. Chodakewitz

Susan B. Chodakewitz

Chief Executive Officer
Clark, Kathy Nathan Associates

Katherine K. Clark

Board Chair
Connor, Michael Nathan Associates

Michael Connor

Board Member
Tessie San Martin Nathan Associates

Tessie San Martin

Board Member
Stephen E. Sellick  Nathan Associates

Stephen E. Sellick

Senior Vice President
Wolfgang Tolle Nathan Associates

Wolfgang Tolle

Board Member

Leadership

Susan B. Chodakewitz

Susan B. Chodakewitz

Chief Executive Officer
Cohen, Bret Nathan Associates

Bret Cohen

Senior Vice President and General Counsel
Paul Moore Nathan Associates

Paul W. Moore

Senior Vice President
Stephen E. Sellick  Nathan Associates

Stephen E. Sellick

Senior Vice President
Jeffrey Singer

Jeffrey Singer

Senior Vice President
Mark Thomas Nathan Associates

Mark Thomas

Managing Director
Paul Wise Nathan Associates

Paul Wise

Chief Financial Officer

Robert Nathan and Robert Komer, meeting with Lyndon Johnson, 1966

Born from the belief that exceptional analytic and economic insights and strategies can make a positive difference in people’s lives, our experts have delivered practical solutions and lasting results to government and commercial clients around the world for more than 70 years. In founding one of the world’s first economic consulting firms, Robert Nathan envisioned a new-breed of economists. Trusted experts who would serve as strategic partners and hands-on advisors. Today, this core belief remains the foundation of who we are and what we do. At Nathan, our heritage is grounded in:

  • Our ability to understand complex challenges from our clients’ perspective and our roll-up-your-sleeves work ethic.
  • Our long legacy of deep, lasting relationships and partnerships, built on the knowledge and experience of our versatile experts, who share a passion for excellence on every engagement.
  • Our shared belief that complex problems and high-stakes situations are challenges to be mastered, not hurdles to be overcome.
  • Our wholehearted commitment to strong, collaborative relationships—with clients, the companies and communities we serve, our partners, and each other.

Over the past seven decades, Nathan has delivered world-class economic and analytic solutions in more than 140 countries. With corporate offices around the globe, our experts serve as trusted partners, offering clients the analysis, technical advice, and strategies they need for sound decision-making.

Known for both technical and service excellence and with corporate offices in the US, London, and India and more than 40 program offices around the world, please visit our locations page and contact us to learn more about what Nathan can do for you.Contact Us
Known for both technical and service excellence and with corporate offices in the US, London, and India and more than 40 program offices around the world, visit our locations page and contact us to learn more about what Nathan can do for you.View Our Locations

About Us
Nathan is a private international economic and analytics consulting firm that works with government and commercial clients around the globe to deliver practical solutions and achieve lasting results. Whether building frameworks for economic growth or navigating regulatory hurdles, securing infrastructure financing or evaluating and assessing disputes, Nathan’s experts serve as trusted partners, offering clients the analysis, technical advice, and strategies they need for sound decision-making. Known for both technical and service excellence and with corporate offices in the US, London, and India and more than 40 program offices around the world, we offer the following areas of expertise, honed since our founding in 1946:

  1. – International Development
  2. – Litigation & Expert Services
  3. – Infrastructure Project Development & Finance
  4. – Advisory Services
Board and Leadership

Nathan’s Corporate Officers and Board of Directors possess a depth and breadth of expertise across many disciplines. Experienced and respected leaders, they are committed to maintaining the firm’s long-held reputation for high-impact, tangible results that meet the highest standards of excellence.

Board Members

Chaudhari, Usha Nathan Associates

Usha Chaudhary

Board Member
Susan B. Chodakewitz

Susan B. Chodakewitz

Chief Executive Officer
Clark, Kathy Nathan Associates

Katherine K. Clark

Board Chair
Connor, Michael Nathan Associates

Michael Connor

Board Member
Tessie San Martin Nathan Associates

Tessie San Martin

Board Member
Stephen E. Sellick  Nathan Associates

Stephen E. Sellick

Senior Vice President
Wolfgang Tolle Nathan Associates

Wolfgang Tolle

Board Member

Leadership

Susan B. Chodakewitz

Susan B. Chodakewitz

Chief Executive Officer
Cohen, Bret Nathan Associates

Bret Cohen

Senior Vice President and General Counsel
Paul Moore Nathan Associates

Paul W. Moore

Senior Vice President
Stephen E. Sellick  Nathan Associates

Stephen E. Sellick

Senior Vice President
Jeffrey Singer

Jeffrey Singer

Senior Vice President
Mark Thomas Nathan Associates

Mark Thomas

Managing Director
Paul Wise Nathan Associates

Paul Wise

Chief Financial Officer
Our History
Born from the belief that exceptional analytic and economic insights and strategies can make a positive difference in people’s lives, our experts have delivered practical solutions and lasting results to government and commercial clients around the world for more than 70 years. In founding one of the world’s first economic consulting firms, Robert Nathan envisioned a new-breed of economists. Trusted experts who would serve as strategic partners and hands-on advisors. Today, this core belief remains the foundation of who we are and what we do. At Nathan, our heritage is grounded in:

  • Our ability to understand complex challenges from our clients’ perspective and our roll-up-your-sleeves work ethic.
  • Our long legacy of deep, lasting relationships and partnerships, built on the knowledge and experience of our versatile experts, who share a passion for excellence on every engagement.
  • Our shared belief that complex problems and high-stakes situations are challenges to be mastered, not hurdles to be overcome.
  • Our wholehearted commitment to strong, collaborative relationships—with clients, the companies and communities we serve, our partners, and each other.

Over the past seven decades, Nathan has delivered world-class economic and analytic solutions in more than 140 countries. With corporate offices around the globe, our experts serve as trusted partners, offering clients the analysis, technical advice, and strategies they need for sound decision-making.

Questions? Comments? We’d love to hear from you. Contact us online or at one of our locations.

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EXPERTISE

  • International Development
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    Development & Finance
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OUR LOCATIONS

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London, Chennai, New Delhi,
Boston, Irvine, Palo Alto

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    • Commercial Damages & Valuation
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    • Product Liability & Mass Torts
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