Justin attended Portland schools through high school, graduating from Cheverus in 1989.  He then graduated from the University of Vermont in 1993 and the University of Georgia School of Law, magna cum laude, in 1999.

Justin served as Clerk for the Honorable Leigh I. Saufley of the Maine Judicial Court as his first job after law school.  After working briefly at a general practice firm in Portland, he moved in 2001 to a smaller firm which limited its practice to estate planning and related matters.  Since then Justin’s professional practice has focused exclusively on estate planning, the administration of estates and trusts, and mediation.

Justin is a Fellow of the American College of Trusts & Estates Counsel (ACTEC), serves as Vice Chair of the Maine Probate and Trust Law Advisory Commission, and is a former President of the Trusts and Estates Section of the Maine State Bar Association.   In 2019, Best Lawyers named Justin as Portland, Maine’s Trusts and Estates “Lawyer of the Year.” 

Justin and his wife reside in Scarborough, happily serving as a “home base” for his sons, Andrew, a PhD student in Organic Chemistry at Emory University in Atlanta, and Theo, an international circus performer and 2024 graduate of the Ecole de Cirque de Quebec.

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Colby is a multi-state trusts and estates attorney admitted to practice in Maine, Massachusetts and Florida, experienced in all aspects of trust and estate planning, administration, conflict resolution and taxation.  

Colby works with individuals, couples, families and family offices to tailor complex and simple estate plans to safeguard assets and implement unique goals. He guides individuals and families as beneficiaries or fiduciaries through the complexities of probate estate administration as well as the ongoing management of trusts.  Colby advises clients on strategies to transfer personal assets efficiently, minimizing exposure to taxation while securing their legacy for future generations.  Colby frequently serves as a neutral and independent executor or trustee in generational arrangements bringing his compassion and expertise to navigate complex family dynamics.  Additionally, Colby supports clients and families in their philanthropic aspirations through the establishment and management of charitable entities as well as facilitating the use of donor advised funds.

When not in the office, Colby can be found enjoying outdoor activities with family and friends.  

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Sydney is a (nearly) lifelong resident of Maine. She grew up in Kennebunk and graduated summa cum laude from the University of Southern Maine in 2019 and from the University of Maine School of Law in 2023. During her time at Maine Law, she volunteered at the Cumberland Legal Aid Clinic and served as the Secretary of the school’s Business Law Association. She earned Maine Law’s certificate in Business and Transactional Law upon graduation.

Before joining LeBlanc Diggins, Sydney worked at a local CPA firm specializing in gift, estate, and trust tax returns. She loves using her skills to make a difference in the lives of those she works with and is always excited to help however she can.

She is a member of the Maine Estate Planning Council.

Sydney, her husband, their daughter, and their many animals live in Scarborough, where they enjoy exploring the nearby wildlife preserves and beaches.

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