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News | January 5, 2025

Press Release: Kaplan Kirsch Elevates Three to the Partnership for 2026

Denver, CO – Kaplan Kirsch LLP is proud to announce the election of three highly respected attorneys to the partnership: Slone P. Isselhard, Stephanie Griffin Mateo, and Sarah E. Wilbanks. All three attorneys have extensive experience working with clients across the U.S. – both in-house in previous careers, and as part of the firm’s airport practice.

“The partners at the firm are so pleased to welcome Slone, Stephanie, and Sarah to the partnership,” said Bob Randall, Managing Partner at Kaplan Kirsch. “All three are already leaders in their practices and valuable members of the Kaplan Kirsch team, and we look forward to many more years of collaboration and exceptional client service.”

Slone Isselhard’s national practice focuses on advising clients throughout the U.S. on complex transportation infrastructure development, regulatory compliance, and policy issues. Her experience includes guiding airport operators through the planning, procurement, and contracting of airport development projects (P3 and bond-funded) and concession agreements. In addition to her transactional work, Slone counsels DOT obligated sponsors on their relationships with federal security and enforcement agencies.

Stephanie Griffin Mateo’s practice focuses on transportation and airport law, with a focus on the development, operation, and legal aspects of public transportation and infrastructure projects. Her work in airport law includes airport development, including through public-private partnerships (P3s), and regulatory compliance. Stephanie has also served as counsel to large, publicly traded companies that operate airports and other transportation infrastructure. She advises a number of Florida governments on airport, transit, and other transportation issues.

Sarah Wilbanks’ practice is focused on representing U.S. airports on a wide range of issues arising under federal law that touch on airport sponsors’ regulatory, transactional, and litigation requirements. She is widely recognized as an industry leader for her national expertise in negotiation of airline use and lease agreements and in representing sponsors in airport development and transactional matters.

The full press release can be found here.

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Team

  • Media item displaying Slone P. Isselhard

    Slone P. Isselhard

    303.825.6382
    C847.602.6022
    sisselhard@kaplankirsch.com
  • Media item displaying Stephanie Griffin Mateo

    Stephanie Griffin Mateo

    202.355.0238
    C321.279.7839
    sgriffinmateo@kaplankirsch.com
  • Wilbanks-thumb

    Sarah E. Wilbanks

    303.825.7029
    C512.791.9636
    swilbanks@kaplankirsch.com

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