The co-founders of Peckham Capital Management
William spent thirteen years at two of the world’s premier asset management firms. At BlackRock he served as Vice President & Head of Research, covering value and cyclical mandates across energy, materials, and real estate, before moving to generalist coverage of e-commerce, fintech, consumer, and software. He then joined T. Rowe Price’s central research team, covering materials and industrials-related companies. He is a CFA charterholder.
Throughout his career, William has invested across value, growth, and cyclical mandates. That experience became the blueprint for Peckham’s research process: a written playbook and scoring framework that codifies thirteen years of institutional pattern recognition into a disciplined, repeatable way of finding and underwriting exceptional businesses.
At Peckham, William leads investment research and portfolio construction.
At Peckham, Jack is responsible for legal, operations, compliance, capital formation, and investor relations, including building the firm’s investor base, structuring investment partnerships, and developing its operational infrastructure.
He is the founding partner of Rukab Brash PLLC, a New York-based firm advising developers, investors, and operating partners on complex transactions, partnership structures, and multi-party negotiations. He was named a New York Super Lawyers Rising Star each year from 2019 to 2024. Through his practice he has led high-stakes negotiations and contract structuring across large real estate and investment projects involving developers, lenders, boards, and institutional counterparties.
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