Frontenac

Joseph Rondinelli is a Managing Director at Frontenac, a Chicago-based private equity firm specializing in lower middle-market investments. He sources and evaluates investment opportunities and executives, manages mergers and acquisitions, and oversees portfolio companies in the consumer, industrial, and services sectors. His work involves providing capital and resources to business executives for company acquisitions and growth.

Michael Langdon is a Managing Partner at Frontenac, where he leads private equity investments in the business services sector and oversees sourcing of new investment opportunities and portfolio company collaboration. He directs the firm's organizational development efforts and co-leads investor relations with limited partners, serving on both the Investment and Management Committees. Langdon holds an MBA from Harvard Business School and graduated with distinction from the University of Michigan Business School.

Walter Florence is Managing Partner at Frontenac, a Chicago-based private equity firm specializing in lower middle market buyouts within the consumer, industrial, and services sectors. Through Frontenac's CEO1ST approach, he works with operating leaders to identify, acquire, and develop market-leading companies. Over its 50-year history, Frontenac has partnered with over 300 mid-sized business owners on transition planning, management enhancement, and growth initiatives.

Kenneth Kluckman is a Principal at Frontenac, a Chicago-based private equity firm focused on lower middle market buyouts in the consumer, industrial, and services sectors. He originates and evaluates investment opportunities and works with portfolio companies primarily in food and consumer services, supporting business executives in identifying and acquiring market-leading enterprises. His responsibilities include transaction execution and ongoing portfolio management using Frontenac's CEO1ST® approach to identify acquisition and operational improvement opportunities.

Casey Slager is Director of Financial Performance at Frontenac. He has experience in M&A and financial advisory across private equity funds, lenders, and public and private companies. Previously, he worked in KPMG's Assurance and Advisory practices, focusing on the banking, investment management, and insurance sectors.

Lindsey Dsouza is a Finance Associate at Frontenac, a private equity firm. Her work involves financial analysis and supporting strategic decision-making processes.

Lynn Cortino is a Senior Executive Assistant at Frontenac with experience in project management, including timeline creation, resource allocation, and task management. She has coordinated events involving logistics planning, budget management, staff recruitment, and vendor relations.

Mark Grosshans is a Principal of Financial Performance at Frontenac. He holds certifications as a Certified Public Accountant, Certified Management Accountant, and Certified Fraud Examiner.

Sean Callahan is a Partner at Frontenac and serves on multiple company boards. He previously held the CEO position at YLighting, where he grew revenue 10x and achieved +20% EBITDA CAGR before the company's acquisition by Design Holdings in 2021. His earlier experience includes serving as SVP and general manager of EMEA for Business Engine, a B2B software company acquired by Planview, and holding roles in marketing, business development, and product management at Oracle. Callahan holds a Bachelor of Science in Manufacturing/Industrial Engineering from Pennsylvania State University, an MBA from Northwestern University's Kellogg School of Management, and a Master of Engineering Management from Northwestern University's McCormick School of Engineering.

Steve Fekety is Director of Financial Performance in the Office of the CFO Leader at Frontenac, a private equity firm. He focuses on value-creation initiatives at portfolio companies, including financial systems upgrades, working capital optimization, and implementation of financial and organizational best practices, with particular experience in middle-market manufacturing, distribution, and business services. Prior to joining Frontenac, Fekety spent over 11 years conducting financial and business due diligence for private equity clients, leading integrated teams across financial analysis, tax, operational strategy, and data analytics.

Joined YFM in 2012 as a partner, later became Chief Investment Officer and then Managing Partner in May 2025; passionate about social mobility.

Jessica manages the operations team, handling communications and general affairs. She previously was an assistant manager in the communications division at SoftBank Ventures Asia.