Perkins Eastman Executive and Leadership Team

September, 2026

Leadership Overview

Perkins Eastman has 5 executives leading key functions including strategy, international architecture, legal operations, financial management, and interior design.

Committed to transformative urban design, Perkins Eastman advances global architectural standards through sustainable practices and innovative spatial planning that shapes modern environments across diverse international markets.

Leadership Roles at Perkins Eastman

  • Chief Executive Officer - L. Perkins
  • Co Chief Executive Officer and Executive Director - Shawn Basler
  • Co-Chief Executive Officer & General Counsel - Andrew Adelhardt
  • Principal & Chief Financial Officer - Paul Grillo
  • President, Interior Design - Olive Stern
  • L. Perkins - Chief Executive Officer

    L. Perkins, the Chief Executive Officer at Perkins Eastman, directs the overarching strategic vision for the firm. Overseeing global architectural initiatives, the Chief Executive Officer ensures alignment between design excellence and long-term business growth. This leadership role involves managing complex urban design projects while maintaining the firm's reputation for high-quality international architecture. By fostering collaboration across various design studios, L. Perkins drives the integration of graphic design and structural innovation. The Chief Executive Officer monitors market trends to identify expansion opportunities within the construction sector. Through rigorous oversight of project delivery, the Chief Executive Officer guarantees that every architectural endeavor meets the highest standards of functionality and aesthetic appeal. Perkins maintains a focus on sustainable development, ensuring that the firm remains a leader in the competitive global landscape of modern architecture and urban planning.

    Shawn Basler - Co Chief Executive Officer and Executive Director

    Shawn Basler, the Co Chief Executive Officer and Executive Director at Perkins Eastman, manages the operational execution of large-scale international architecture projects. Coordinating with global teams, the Co Chief Executive Officer and Executive Director optimizes resource allocation to ensure project efficiency across diverse geographic regions. This leadership role involves architecting complex design workflows that integrate urban design principles with client requirements. By streamlining internal processes, Shawn Basler enhances the firm's capacity to deliver high-impact architectural solutions. The Co Chief Executive Officer and Executive Director collaborates with the board to refine operational strategies that support sustainable growth. Through consistent monitoring of project milestones, Basler ensures that the firm maintains its competitive edge in the global construction industry. The Co Chief Executive Officer and Executive Director drives excellence in design delivery, ensuring that every project reflects the firm's commitment to innovation and structural integrity.

    Andrew Adelhardt - Co-Chief Executive Officer & General Counsel

    Andrew Adelhardt, the Co-Chief Executive Officer & General Counsel at Perkins Eastman, oversees the legal framework and corporate governance of the firm. Managing risk assessment for international architecture contracts, the Co-Chief Executive Officer & General Counsel ensures compliance with global regulatory standards. This leadership role involves navigating complex legal landscapes to protect the firm's intellectual property and design assets. By providing strategic legal guidance, Andrew Adelhardt supports the firm's expansion into new urban design markets. The Co-Chief Executive Officer & General Counsel collaborates with executive leadership to structure partnerships that facilitate long-term stability. Through meticulous contract review and dispute resolution, Adelhardt secures the firm's operational interests. The Co-Chief Executive Officer & General Counsel drives corporate policy development, ensuring that all business activities align with the firm's mission of delivering exceptional architectural and interior design services across the globe.

    Paul Grillo - Principal & Chief Financial Officer

    Paul Grillo, the Principal & Chief Financial Officer at Perkins Eastman, directs the financial health and fiscal strategy of the firm. Overseeing capital allocation for urban design and international architecture projects, the Principal & Chief Financial Officer ensures the firm maintains robust liquidity to support growth. This leadership role involves managing financial reporting, budgeting, and investment strategies that underpin the firm's operational scale. By optimizing cost structures, Paul Grillo enhances profitability across all design departments. The Principal & Chief Financial Officer collaborates with the executive team to evaluate the financial viability of new market entries and large-scale construction ventures. Through rigorous fiscal oversight, Grillo maintains the firm's economic stability in a volatile global market. The Principal & Chief Financial Officer drives financial transparency, ensuring that all business units operate within established budgetary frameworks while pursuing the firm's core mission of architectural excellence.

    Olive Stern - President, Interior Design

    Olive Stern, the President, Interior Design at Perkins Eastman, leads the creative direction and operational delivery of interior design services. Overseeing the integration of interior spaces with broader urban design and architectural concepts, the President, Interior Design ensures a cohesive aesthetic experience for clients. This leadership role involves managing design teams that specialize in high-end commercial and residential environments. By fostering innovation in material selection and spatial functionality, Olive Stern drives the firm's reputation for excellence in interior design. The President, Interior Design collaborates with other executive leaders to align interior projects with the firm's overall strategic goals. Through the implementation of advanced design technologies, Stern enhances the efficiency and quality of interior design outputs. The President, Interior Design ensures that every project meets the specific needs of diverse clients, maintaining the firm's position as a leader in the global interior design market.

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    Frequently Asked Questions Regarding Perkins Eastman Top Executives and Leadership Team

    Who leads Perkins Eastman?
    Perkins Eastman is led by L. Perkins (Chief Executive Officer), along with executives such as Shawn Basler (Co Chief Executive Officer and Executive Director) and Andrew Adelhardt (Co-Chief Executive Officer & General Counsel).
    Who is part of Perkins Eastman’s executive team?
    The executive team of Perkins Eastman includes leaders such as L. Perkins (Chief Executive Officer), Shawn Basler (Co Chief Executive Officer and Executive Director), Andrew Adelhardt (Co-Chief Executive Officer & General Counsel) and other senior executives.
    How many executives does Perkins Eastman have?
    Perkins Eastman has 5 executives leading key business areas.
    What roles are included in Perkins Eastman’s leadership team?
    The leadership team of Perkins Eastman includes roles such as Chief Executive Officer, Co Chief Executive Officer and Executive Director, Co-Chief Executive Officer & General Counsel, Principal & Chief Financial Officer, President, Interior Design.