Management Team

David LeBlanc • CPCU
President

David LeBlanc graduated from the University of Massachusetts with a degree in Economics and began his career as an underwriter in Liberty Mutual’s Motor Transport department in Boston. He joined Acadia Insurance in 2005 as Vice President, Specialty Marine. Dave currently lives in Maine with his family.

Ryan Capponi • FCAS, MAAA, CPCU
Vice President, Chief Actuary

Ryan Capponi joined Acadia Insurance in 2009. During the last 16 years, he has been a part of the actuarial department at Acadia. Prior to joining Acadia, he was a part of the actuarial teams at Liberty Mutual Group and OneBeacon Insurance. Ryan is a Fellow of the Casualty Actuarial Society and a member of the American Academy of Actuaries. He also holds the CPCU designation.

Ryan earned his bachelor’s degree in mathematics from the University of New Hampshire. He is married with two children, and resides in Scarborough, Maine.

Enya Carter
Vice President, Chief Financial Officer

Enya Carter rejoined Acadia in 2025.  Most recently, she spent 10 years owning a small business in Maine.  Previously, she held the position of Controller at Acadia for more than 10 years.  Her insurance background includes serving as the Director of Financial Analysis for the Maine Bureau of Insurance prior to her work at Acadia.  Enya earned her Bachelor’s Degree in Math from the University of Massachusetts and her MBA from Loyola College in Maryland.  She and her husband reside in Maine.

Anthony DeFraia
Assistant Vice President and Profit Center Manager, Acadia Advantage

Anthony joined Acadia Insurance in 2014 as a Senior Underwriter in New York, and most recently served as the Regional Underwriting Manager for Advantage responsible for Connecticut, Massachusetts, and New York. Prior to Acadia, he worked as an Underwriter at Travelers Insurance for 8+ years. Anthony graduated from Siena College in 2005 with a B.A. in economics. He splits his time with his family in Ellington, CT and Saratoga Springs, NY.

Douglas Freeman • CPCU, MBA, ARM
Assistant Vice President, Maine Branch Manager

Doug joined Acadia in 2013 as an Underwriting Team Leader in the Massachusetts branch. Prior to joining Acadia, Doug held several Underwriting and Operations leadership positions at Liberty Mutual, where he began his insurance career in 2001. In 2015, Doug joined Acadia’s Maine Branch as Underwriting Director, and was promoted to Branch Manager in 2020. Doug holds a Bachelor’s Degree in Economics from Boston University, and an MBA from the University of Georgia. Doug earned his CPCU designation in 2005. He resides in Amesbury, MA, with his wife and two sons.

Keith Gleason • CPCU, AIC, SCLA
Vice President, Chief Claims Officer

Keith Gleason joined Acadia Insurance Company in 2003 as a Claims Trainee. Since then he has held various positions within Claims handling both property and casualty losses, progressing to handling complex and high exposure claims in our Major Case Unit. Since 2013, Keith has provided leadership for our property claims team, most recently as the Assistant Vice President, Claims.

Keith earned his bachelor’s degree in Business Administration from the University of Southern Maine, and has his CPCU, AIC and SCLA designations. He resides with his family in Maine.

Lisa M. Kilbreth • CPCU
Regional Vice President, Twin States Branch Manager

Lisa Kilbreth serves as Regional Vice President for New Hampshire and Vermont at Acadia Insurance. Since joining the company in October 2011 as the New Hampshire Underwriting Director, she was quickly promoted to her current leadership role in 2012. With over 30 years of experience in the commercial insurance industry, Lisa brings a wealth of knowledge and expertise to her position.

Throughout her career, Lisa has held a variety of underwriting, management, and Home Office roles, demonstrating a strong commitment to excellence and strategic growth. Her leadership continues to drive success across the region.

Lisa is a graduate of the University of New Hampshire’s Whittemore School of Business and Economics. She resides in Manchester, NH with her husband, Mark, and their German Shepherd, Roxy.

Don Leonard • CPCU
Assistant Vice President, Claims

Don Leonard joined Acadia in 2000 as a Senior Claim Representative, and has since held roles as a Specialist in the Major Case Unit, Casualty Director for the Maine Branch, and most recently, Casualty Claim Manager.  He worked at Progressive for six years prior to joining Acadia.  Don holds a bachelor’s degree in English from the University of Maine, and earned his CPCU designation in 2009.  Don and his wife Amy live in Old Orchard Beach, ME where they enjoy spending time with their children and grandchildren.

Stephen Mathiasen • AIDA
Vice President, Chief Underwriting Officer

Stephen Mathiasen rejoined Acadia in 2025.  He has been in the insurance industry since 2004 working in various functions including Underwriting, Finance, Product Management & Regulatory Compliance.  His previous time with Acadia spanned 2013-2021 holding multiple leadership positions in Home Office Underwriting.

Steve earned his Bachelor’s degree in Finance from Siena College and MBA from Union Graduate College, both in New York. He lives in Maine with his family.

Matt McManus • CPCU
Vice President, Customer Experience & Strategic Initiatives

Matt McManus joined Acadia Insurance Company in 2007 as an Underwriter Trainee.  He currently serves as the VP of Customer Experience and Strategic Initiatives. In his tenure with Acadia, he has held various leadership positions, including AVP of Inland Marine and AVP Loss Control. Matt also spent time as Underwriting Director of the Maine Branch and a Team Leader in Acadia’s South Burlington, VT office. He earned the CPCU designation in 2011.

Matt earned his bachelor’s degree in business administration from the University of New England in Biddeford, ME.

Lisa McPhail • ARM, CRIS
Assistant Vice President, Loss Control

Lisa McPhail joined Acadia Insurance Company in 2013 as an Loss Control Representative. She held the position as Loss Control Director in the Twin States from 2015-2019. She was promoted to her current role as Assistant Vice President of Loss Control in 2019. Lisa holds the ARM and CRIS designations.

Lisa earned her bachelor’s degree in Occupational Safety and Applied Science from the Keene State College in Keene, NH. She currently resides in Londonderry, NH.

Sharon Murphy • CRIS
Regional Vice President, Massachusetts Branch Manager

Sharon Murphy joined Acadia in 2000 after a career leading the Underwriting function for the New England Branch at CNA Insurance. Prior to CNA, she worked for Trust Insurance and Carlin Insurance. She is a graduate of the University of Rhode Island, with a BS in Business Administration.

Mari Sepulveda • AAI, CPIA, CRIS
Assistant Vice President, Inland Marine

Mari joined Acadia Insurance Company in 2017 as a Senior Underwriter and subsequently held positions as Team Lead and Underwriting Director. She brings over 30 years of experience in the property and casualty insurance industry.

Throughout her career, Mari has worked with national carriers in the specialty space. She combines integrity with creative expertise and possesses a comprehensive understanding of the specialty marine sector.

Mari lives in Connecticut and is also a dedicated mother of three children.

Daniel Swift
Vice President, General Counsel

Dan Swift joined Acadia Insurance as Counsel in 2004. He currently serves as Vice President, General Counsel and Secretary. In this capacity, he handles a variety of legal matters across all functional departments of the company and manages the day to day affairs of Legal Services, including government relations and compliance. Dan has over 25 years experience in Insurance and Corporate law, having previously worked in the corporate legal department at another New England carrier and serving as staff counsel in the Massachusetts Division of Insurance and the Maine Bureau of Insurance.

Dan earned his Bachelor’s degree at the University of Michigan and his Law degree at the New England Law | Boston. He has two children and resides in Brunswick, Maine.

Tom Ter Horst • SHRM-SCP, MBA, BBA
Vice President, Human Resources

Tom Ter Horst joined Acadia Insurance in 2022. He has over 20 years of HR leadership at organizations covering a broad range of critical functions including strategic planning, change management, recruitment, compensation, and leadership development. He was most recently with MaineHealth as Vice President, Human Resources, where he oversaw the day-to-day administration of HR programs, policies and services at Maine Medical Center and was responsible for ensuring efficient, effective and customer focused HR operations. Tom is a member of the Society for Human Resource Management and is SHRM-SCP certified.

Tom earned his MBA from Marquette University and his BBA from St. Norbert College in De Pere, WI. He lives in Maine with his family.

Jennifer Towne • CIC
Assistant Vice President, Connecticut Branch Manager

Jennifer Towne joined Acadia Insurance Company in 2010. Her prior role was as Assistant Vice President, Marketing & Strategic Markets at Acadia. Jennifer has over 10 years of property casualty experience, working previously for a national carrier overseeing the marketing for several specialty units.

Jennifer graduated with her B.A. in English from the University of St. Joseph, and earned her MBA from the University of Connecticut. Jennifer is married with two children, and resides with her family in Ellington, Connecticut.