Mary A. Akkerman

Mary A. Akkerman

South Dakota Trust and Estates Lawyer

My Story

Mary Akkerman practices in estate planning, including dynasty trusts, domestic asset protection trusts, estate and trust administration, guardianships and conservatorships, business and tax planning, estate and gift tax planning, tax appeals, and related litigation. She is skilled at establishing public and private trust companies in South Dakota and regularly works with U.S. and international families and advisors.

Mary is an American College of Trust and Estate Counsel (ACTEC) Fellow. She is a member of the Society of Trust and Estate Practitioners and Sioux Falls Estate Planning Council.

Mary has received an AV Preeminent® Peer Review Rating by Martindale-Hubbell®, for the highest level of professional excellence for legal knowledge, communication skills and ethical standards. She has a Band 1 individual ranking in the Chambers High Net Worth Guide by Chambers and Partners in the area of Private Wealth Law, and is listed by Best Lawyers® in Trusts & Estates. Mary has also been ranked in the top 5% of practicing attorneys in South Dakota by Great Plains Super Lawyers in the areas of Estate Planning & Probate.

Position: Partner
Direct: 605-357-1220

Mary A. Akkerman Super Lawyers 2021

Professional Experience

Davenport, Evans, Hurwitz & Smith, LLP
Partner: 2021 – present
Of Counsel: 2020

Ballard Spahr LLP
Woods, Fuller, Shultz & Smith, P.C.
Rider Bennett, L.L.P


South Dakota State University
(B.A., 1994) 

South Dakota State University
(M.A., 1998) 

University of South Dakota School of Law
(J.D., 2001, with Sterling Honors)

Professional Memberships

American College of Trust and Estate Counsel
Sioux Falls Estate Planning Council
Society of Trust and Estate Practitioners, TEP Member


Admitted to Practice (State):
South Dakota, 2002
Minnesota, 2001
Iowa, 2013
Florida, 2015

Admitted to Practice (Federal):
Minnesota Supreme Court, 2001
South Dakota Supreme Court, 2002
United States District Court, District of Minnesota, 2002
United States Tax Court, 2002
United States Court of Appeals for the Eighth Circuit, 2003
United States District Court, District of South Dakota, 2004
Iowa Supreme Court, 2013
United States District Court, Southern District of Iowa, 2014
Florida Supreme Court, 2015


Protecting what you’ve built.

Phone Numbers

Driving Directions

Davenport Evans, Hurwitz & Smith, LLP

206 West 14th Street
P.O. Box 1030
Sioux Falls, SD 57101-1030