Leading a law firm or professional services firm brings a unique set of financial, operational, and management responsibilities. Decisions often carry firm-wide implications that require discretion, sound judgment, and experienced perspective.
Lassiter Management Partners serves as a trusted executive partner to Managing Partners, providing confidential, practical leadership support across ongoing operations and critical decision points. We work alongside firm leaders to navigate difficult decisions, bring clarity to competing priorities, and ensure progress continues without unnecessary disruption.
Our role goes beyond advisory support. We step into the CFO and/or COO role for your firm, driving execution and delivering outcomes that strengthen the firm and support consistent, reliable performance.
With over two decades of experience working directly with CEOs and Managing Partners, Jon Lassiter has played a key role in shaping the strategic direction and long-term performance of numerous law firms and professional services firms. He founded Lassiter Management Partners on the principles of trust and integrity, with a mission to serve as a trusted executive partner to firm leaders navigating complex financial, operational, and organizational challenges.
Jon has guided firms through critical transitions, including mergers and acquisitions, financial restructuring, and organizational realignment. His experience includes helping firm leaders navigate complex capital considerations, optimize firm and partner structures, refine compensation models, and strengthen financial oversight. These efforts have resulted in improved profitability, clearer decision making, and more resilient organizational foundations.
In addition to financial and operational leadership, Jon has helped firms leverage technology to support execution and insights. By aligning technology initiatives with firm objectives, he enabled improved productivity, enhanced reporting, and reduced friction across operations. His approach ensured outcomes were practical, scalable, and aligned with long-term goals.
Through his work at Lassiter Management Partners, Jon serves in the CFO and/or COO role for his clients, remaining actively engaged and accountable for execution. He works directly with Managing Partners and leadership teams to provide experienced judgment, practical leadership, and follow through. This helps firm leaders make confident decisions while reducing the burden of day-to-day operational and financial oversight.

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