The Ballot Brief
Ottawa County, Michigan

Judge of the Court of Appeals, 3rd District

2 candidates are tracked for Judge of the Court of Appeals, 3rd District on the November 3, 2026 ballot: Mark T. Boonstra and Daniel S. Korobkin. Candidate information follows official Ottawa County election filings; verify with the official election office linked below.

About this race

Nonpartisan; incumbents Mark T. Boonstra and Daniel S. Korobkin are unopposed for the two seats on the November 3 ballot, per the Ottawa County Clerk's candidate list.

What this office does

Appellate or supreme court justice. Appellate judges review decisions of trial courts for legal error rather than retrying facts. A state supreme court is the final word on state law and the state constitution. Candidates may describe their experience and judicial philosophy but may not promise outcomes in particular cases.

This race. Nonpartisan: candidates appear without party labels. The sitting officeholder, Daniel S. Korobkin, is on the ballot.

Michigan › Ottawa County › Judge of the Court of Appeals, 3rd District

Mark T. Boonstra

Nonpartisan

Biography

Mark T. Boonstra was appointed to the Michigan Court of Appeals, 3rd District, in March 2012 and was subsequently elected in 2012, 2014 and 2020, per Michigan Courts. He served a two-year term on the Michigan Court of Claims by appointment of the Michigan Supreme Court from 2015 to 2017, per Michigan Courts. Before joining the bench he was a senior principal at Miller, Canfield, Paddock and Stone for 27 years, per Michigan Courts. He earned Juris Doctor and Master of Applied Economics degrees from the University of Michigan in 1983, per Michigan Courts. No campaign website was found as of September 27, 2026.

Daniel S. Korobkin

Nonpartisan Incumbent

Biography

Daniel S. Korobkin was appointed to the Michigan Court of Appeals by Governor Gretchen Whitmer in April 2025, per the governor's office, after spending more than 16 years at the ACLU of Michigan, most recently as legal director. He earned a Juris Doctor from Yale Law School and a Bachelor of Arts from Swarthmore College, per his ACLU biography. Daniel S. Korobkin appears on the November 3, 2026 ballot for Judge of the Court of Appeals, 3rd District, per the county clerk's certified candidate list. No campaign website was found as of September 4, 2026.

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Questions about this race

Who is running for Judge of the Court of Appeals, 3rd District in 2026?

2 candidates are tracked for Judge of the Court of Appeals, 3rd District on the November 3, 2026 ballot: Mark T. Boonstra and Daniel S. Korobkin. Candidate information follows official Ottawa County election filings; verify with the official election office linked below.

When is the Judge of the Court of Appeals, 3rd District election in Michigan?

Election Day is Tuesday, November 3, 2026. Registration deadlines, early voting dates and mail ballot rules for Michigan are on the Michigan election hub at theballotbrief.com.

How do I see my exact Ottawa County ballot?

Enter your ZIP code in the lookup at theballotbrief.com for the statewide and congressional races, or a full street address to add the county, city and district contests for that location.

Verify this race

Candidate roster from official Ottawa County and state election office filings, last verified September 29, 2026. Bios and priorities carry their attribution inline.

Cross-check with the official Michigan election office, or see the full Ottawa County sample ballot and your exact ballot by address.

The rest of your Ottawa County ballot

20 tracked races in Ottawa County, Michigan. Landed here from another county's search? Look up your own ballot below.

Also on your ballot
Polkton Charter Township Clerk (Partial Term)Robinson Township Clerk (Partial Term)Zeeland Charter Township Supervisor (Partial Term)See all 20 Ottawa County races
Candidate profiles
Mark T. Boonstra, full profileDaniel S. Korobkin, full profileOfficial Michigan election office