Our Estate Planning Team

Sioux Falls, South Dakota Estate Planning Attorneys

Jayna M. Voss, Co-Founder and Attorney

Jayna Voss is a fellow in the American College of Trust and Estate Counsel (ACTEC), which is a peer-elected trust and estate attorneys across the U.S. and abroad who demonstrate outstanding skills and reputation and who have made substantial contributions to their field of law; she is an Accredited Estate Planner® awarded by the National Association of Estate Planners & Councils, which is awarded only to estate planning professionals who meet special requirements of education, experience, knowledge, professional reputation, and character; she has an AV® PreeminentTM peer rating from Martindale-Hubbell; has been recognized in Great Plains Super Lawyers®  where only 5% of attorneys in South Dakota earn Super Lawyer status; and she is recognized in The Best Lawyers in America© in the field of trusts and estates.  Jayna has gone through the educational process of the certified value growth advisors and certified exit planner advisors.  She is highly regarded in the region for her experience in preparing and implementing complex estate plans and wealth transfer strategies for high net-worth clients, and she has worked with many family business owners with business planning.  Most importantly, Jayna cares deeply about the clients she works with and goes above and beyond to provide the utmost level of service.

Bobbi L. Thury, Co-Founder and Attorney

estate planning attorney

Bobbi Thury is the first and only Certified Elder Law Attorney certified by the National Elder Law Foundation in South Dakota, she is accredited by the Department of Veterans Affairs, a member of the Academy of Special Needs Planners and the National Academy of Elder Law Attorneys, she has gone through the educational process of the certified value growth advisors and certified exit planner advisors, was the State Bar of South Dakota Young Lawyer of the Year, Great Plains Super Lawyers Rising Star, and Martindale-Hubbell BV Distinguished. Bobbi is highly regarded in the region for her experience in asset protection planning, complex estate planning, and business planning.  Bobbi takes a hands-on and holistic approach to helping clients plan.  Whether it is a simple Will and incapacity documents to intricate asset protection for individuals or strategic business planning, she has a sincere commitment to ensuring the utmost care for clients and providing personal service.   

Adam Oster, Attorney

business planning attorney Adam OsterMy practice at Legacy Law Firm focuses exclusively on business and estate planning, probates and estates, trust administration and guardianship and conservatorships.  I enjoy helping entrepreneurs and business owners with business formation and transactions. Whether it’s an entrepreneur with a new idea or a life-long business looking at business succession planning, I strive to be a valuable part of ensuring those business dreams become reality.

Sandy Hensch, Paralegal

I am the firm’s drafting and signing Paralegal for estate planning. I assist the attorney in drafting estate plans to meet our clients’ goals, and then meet with the clients to explain and execute their plan. As an estate planning paralegal for the past 13 years, I enjoy the client interaction and collaborative team environment.

I graduated from South Dakota State University with a Bachelor of Science Degree in Home Economics and Fashion Merchandising with Honors. I also graduated from National American University with my Associate Degree in Applied Science in Paralegal Studies with Distinction. My husband and I have two grown sons and we live on an acreage right outside of Sioux Falls.

Cindy Smeins, ACP, Plan Coordinator

I enjoy helping our clients coordinate their assets with their estate plans. This entails meeting with clients, reviewing client asset information and accurately drafting transfer documents to help ensure their estate plans will work as designed. Many clients are initially confused by the idea of funding or coordinating assets, so I am able to put their minds at ease by helping them through this process. Our team goes the extra mile to help each other and our clients.

I grew up on a farm outside of Pierpont, South Dakota and attended Nettleton College in Sioux Falls.  I started working for attorneys after graduation from college and decided to pursue the paralegal field because I wanted to have an active role in helping others.  I am an Advanced Certified Paralegal (ACP) and serve on the Professional Development Committee for the National Association of Legal Assistants (NALA).  I am also a member of the South Dakota Paralegal Association and am a past President.


Christine K. Lillo, ACP, Paralegal

I am a Paralegal and assist in the probate and trust administration, business and elder law areas of the firm. I graduated from South Dakota State University with a Bachelor of Science Degree in Sociology with a specialization in Human Resources. Prior to obtaining my bachelor’s degree, I graduated with honors from Kilian Community College with an AAS degree in legal assistant studies.

I am also a Certified Paralegal with advanced certifications in Estate Planning & Probate and Business Organizations, in both Incorporated Entities and Non-Corporate Entities. I have over 25 years of experience working with estates and probates and am a past President of the South Dakota Paralegal Association. I also serve as a member of the Certifying Board for National Association of Legal Assistants, The Paralegal Association, and have served as a member of its Board of Directors. I enjoy learning and regularly seek out learning opportunities.


Danielle Voss, Elder Care Coordinator

As an Elder Care Coordinator, I assist with drafting and plan coordination, and work closely with our elder law clients.  I attended the University of South Dakota where I received my Bachelor of Science Degree in Medical Biology and my Master of Science Degree in Health Administration.  I have a background in the healthcare field, as I have previously worked in various nursing homes and at the South Dakota Human Services Center.  You can usually find me assisting with long-term care plans, and elder care planning, Medicaid Applications, or helping clients coordinate their assets with their estate plan.  My goal is to make the estate planning process as convenient and straight-forward as possible for our clients.  I also enjoy serving as a resource to connect clients to the appropriate advisors and resources.  


Felan Link, Director of Operations


My goal is to keep our office running at peak efficiency. I handle a wide range of our firm’s operations, including bookkeeping, marketing, office and project management. I have more than eight years of experience in business management and consulting, as well as a robust entrepreneurial spirit. I grew up in eastern Iowa. I earned a Bachelor of Arts degree from Augustana University and a Master of Business Administration from the University of South Dakota. I love being involved in the community. I serve as a Board Member of Academy of Finance; a Committee Member for Dress for Success; and a Volunteer for Junior Achievement. I live in Sioux Falls with my husband, Matt, and our baby girl, Keda.