Leone, McDonnell & Roberts Welcomes New Team Members

We are pleased to welcome four talented professionals to our team. Their skills and experience will further enhance the firm’s audit, tax, and administrative services.

Marcos Marenco brings a strong public and governmental accounting foundation to his role as an Audit Staff Accountant in the firm’s Dover office. A 2023 graduate of Plymouth State University, Marcos earned his Bachelor of Science in Accounting with a minor in Economics and is currently pursuing an MBA at Trine University. Originally from Monteverde, Costa Rica, Marcos now resides in Concord, NH. His leadership and service were evident in college, where he served as President of Sigma Tau Gamma and led fundraising efforts for the Special Olympics. Outside of work, Marcos enjoys nature and visiting his happy place: a mountain peak in Monteverde.

Colby Combs, a Staff Accountant in the firm’s Dover office, focuses on tax preparation for individuals, businesses, and nonprofits. Colby earned both his Bachelor of Science in Accounting (2023) and MBA (2024) from Thomas College, achieving high honors every semester. Originally from Waldoboro, Maine, Colby now lives in Dover, NH, and enjoys soccer, football, gym workouts, cooking, and reading.

With more than 20 years of experience as a school administrative assistant, Gretchen Bradley joins the firm’s North Conway office. Known for her friendly and caring demeanor, as well as her exceptional organizational skills, she provides essential support to the team, ensuring smooth office operations and a seamless client experience. She earned an associate degree in business from the University of Southern Maine. When not at work, Gretchen enjoys running, skiing, swimming, hiking with family and friends, and taking in the beauty of the Mount Washington Valley.

“We are thrilled to welcome Marcos, Colby, and Gretchen to our team,” said Managing Partner Evan Stowell, CPA. “Their diverse skills, experience, and dedication to client service strengthen our ability to provide exceptional accounting, tax, and advisory services, while also supporting our firm’s administrative operations and culture. Each of them brings something unique, and we look forward to the contributions they will make to our clients and our community.”