Party Officers

Randy Seiler
Randy SeilerChair
Randy is a lifelong South Dakotan. Before pursuing his dream of becoming a lawyer, Randy spent four years in the U.S. Air Force, including a tour in Vietnam. He was appointed as the Youngest Director of the Division of Law Enforcement Assistance by Governor Richard F. Kneip. He attended the University of South Dakota School of Law graduating in 1980. While in Law School, Randy served as Editor-in-Chief of the S.D. Law Review and was awarded the Gavel Award as the outstanding student in the graduating class. Following law school, he served as a Law Clerk in U.S. District Court in Sioux Falls, before going into private practice in Mobridge.

After 14 years in private practice, Randy joined the U.S. Attorney’s Office. He was lead counsel on over 75 federal felony jury trials and over 600 criminal cases and earned several Department of Justice awards for his work. He also served as First Assistant U.S. Attorney and was nominated by President Barack Obama to serve as U.S. Attorney. Since retirement from the U.S. Attorney’s Office, he has served as Hughes County State’s Attorney and as Chief Prosecutor for the Lower Brule and Standing Rock Sioux Tribes. During the course of his career, Randy has also served on the Fort Pierre City Council, Verendrye Museum Board of Directors, South Dakota Board of Pardons and Paroles, South Dakota Board of Education, Badlands National Park Conservancy Board of Directors, Mobridge School Board, and the Mobridge Rodeo Association Board of Directors. Randy has four grown children and lives in Fort Pierre with his wife Wanda. Randy says the best job he has ever had is being grandpa to two granddaughters – Brooklyn, age 6, and Alley, age 5.

Nikki Gronli
Nikki GronliVice Chair
Nikki grew up in Aurora, SD. She received her B.S. in Design Communications from the University of Minnesota and began her career in advertising in Minneapolis. She returned to South Dakota in 2001 and continued to work on some of the best-known brands in the region.

Currently as Marketing Specialist at SDN Communications she oversees the brand, traditional marketing, and educational events. This professional experience helped her achieve board positions with Dakota State University’s Cybersecurity Industry Advisory Board and formerly, president of the DoD STARBASE program.

Nikki is active in her community through board and committee positions such as Minnehaha County Housing Redevelopment Committee, Siouxland Heritage Museum Board, LEAD South Dakota and is the chair of the Minnehaha County Democratic Party.

Nikki and her husband Brian live outside of Dell Rapids where they raised their four now-grown children. They are proud grandparents of two. In their down time they enjoy travel, hiking, and fishing (even in the winter).

Larry Olsen
Larry OlsenTreasurer
Lorri May
Lorri MaySecretary
Deb Knecht
Deb KnechtNational Committeewoman
Dennis Olson
Dennis OlsonNational Committeeman
Cecelia Fire Thunder
Cecelia Fire ThunderNational Committeewoman for Native Americans
Troy Heinert
Troy HeinertState Senate Minority Leader
Jamie Smith
Jamie SmithState House Minority Leader
Addison Miller
Addison MillerSouth Dakota Young Democrats President
Aaron Vlasman
Aaron VlasmanSouth Dakota College Democrats President
Daniel Bethke
Daniel BethkeSouth Dakota High School Democrats Chair

State Central Committee

The State Central Committee is the main governing body of the SDDP.

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Elected Officials

Find Democratic elected officials serving South Dakota now.

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Learn more about our SDDP Staff members here.

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Executive Board

The SDDP Executive Board works directly with the state party chair and party staff to review and recommend policy and procedures to the body of the State Central Committee. The executive board consists of the SDDP Chair, Vice Chair, Secretary, and Treasurer, along with the National Committeeman and Committeewoman, National Committeewoman for Native Americans, Young Democrats president, College Democrats president, Democratic legislative leaders and fourteen regional representatives.

Regional representatives are elected to two-year terms in regional caucuses at the State Central Committee meeting following county party elections in odd-numbered years (typically held in conjunction with McGovern Day).


Districts 1, 2, 3, 22, 23

Shane Milne

Jennifer Slaight-Hansen


Districts 4, 5, 6, 8, 25

Mary Perpich

Travis Wicks


Districts 9, 10, 11, 14, 15

Sheldon Osborn

Jeri Reed


Districts 6, 12, 13, 16, 17

Jessica Meyers

Joseph Zweifel


Districts 18, 19, 20, 21, 26

Caroline Hansen

Frank Kloucek


Districts 24, 27, 28, 29, 30

Amanda Bachmann

Remi Bald Eagle


Districts 31, 32, 33, 34, 35

Sandra White Shield

Jay Davis