Leone, McDonnell & Roberts Welcomes Three Professionals

We are pleased to announce the addition of three new team members: Jonathan Cohen-Gorczyca, Christina Osborne, and Michele Seguin. Each brings valuable experience and perspective, enhancing the firm’s ability to provide trusted guidance to clients across the region.

Bringing over a decade of public accounting experience, Jonathan Cohen-Gorczyca joins Leone, McDonnell & Roberts as a Manager. He previously spent 13 years with a regional accounting and tax firm, advising small- to mid-sized businesses and building expertise in tax planning, compliance, and practical business guidance. Jonathan earned his undergraduate degree in political science from Saint Michael’s College and a master’s in accounting from Western New England University. He is a Massachusetts CPA and a member of the AICPA, MSCPA, and NHSCPA, bringing a client-focused approach grounded in clarity and thoughtful planning. Jonathan lives in Greenfield, MA, where he serves on the Boards for the Friends of the Greenfield Public Library and is Chair of the Trustees of the Greenfield Public Library.

Working from the firm’s Wolfeboro office, Staff Accountant Christina Osborne supports client engagements after interning with the firm while completing her studies. She earned her bachelor’s degree in accounting from the University of New Hampshire’s Peter T. Paul College of Business and Economics in 2025 and holds an associate’s degree in accounting from Great Bay Community College, where she received the Outstanding Achievement Award as the top accounting student in her graduating class. Prior to joining the firm, Christina worked in banking and brings a strong analytical foundation to her role with LMR. She lives in Rochester, NH.

Michele Seguin joins Leone, McDonnell & Roberts as an Administrative Assistant in the Dover office, where she supports the firm’s team and clients by assisting with document preparation, collation, and final client deliverables. Prior to joining the firm, she worked as a Patient Representative at a local hospital and held customer service and administrative roles with local engineering firms. Michele brings a detail-oriented approach and a strong commitment to ensuring a smooth and professional client experience. A resident of Dover, NH, she enjoys spending time outdoors, especially hiking local trails and exploring the mountains.

“We’re delighted to welcome Jonathan, Christina, and Michele to the firm,” said Managing Partner Evan Stowell. “Their strong backgrounds and fresh perspectives will further strengthen our team and enhance the service we provide to our clients.”