About Us

Kluczynski, Girtz & Vogelzang is an established and respected general practice law firm located in Grand Rapids, Michigan.

Founded in 1978, Kluczynski, Girtz & Vogelzang began with a clear mission to create a client-focused law firm offering exceptional, cost-effective litigation defense for the insurance industry.

Over the decades, KGV has expanded to meet the evolving needs of our clients, while maintaining the same commitment to quality, integrity, and personal attention. Today, our firm offers a broad range of legal services including insurance defense, business law, employment law, estate planning, family law, and condominium and community association law.

Though our practice has diversified, our foundation remains the same: a dedication to exceptional client service and practical, results-oriented legal solutions. The attorneys and staff at KGV are prepared to help you navigate your legal challenges with confidence, expertise, and clarity.

Our Mission

At KGV, your business is our priority. We are committed to earning your trust through responsive communication, sound advice, and efficient, results driven representation.

Our attorneys take the time to explain every legal option, including potential costs, risks, and benefits, so you can make informed decisions with confidence. Throughout the process, you can expect regular updates, transparent communication, and a steadfast focus on achieving the best possible outcome.

We take pride in building lasting relationships with our clients, that are grounded in trust, respect, and proven results.

Our Attorneys

The firm of Kluczynski, Girtz & Vogelzang employs a team of attorneys spanning several practice areas. Every attorney is highly experienced and meets the highest criteria required by our firm.

To learn more about our attorneys, please click on any of the named individuals below.

Michael J. Kosta

Michael J. Kosta

Attorney & Shareholder

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Mark Ostrowski

Mark Ostrowski

Attorney & Shareholder

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James E. Stark, Jr.

James E. Stark, Jr.

Attorney & Shareholder

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Jessica M. Stark-Flechsig

Jessica M. Stark-Flechsig

Attorney & Shareholder

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Mark C. Hanisch

Mark C. Hanisch

Associate

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Christopher D. Matthysse

Christopher D. Matthysse

Associate

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Kyle J. Zielinski

Kyle J. Zielinski

Associate

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Richard Radke, Jr.

Richard Radke, Jr.

Of-Counsel

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Our Paralegal

Amy L. Penner

Amy L. Penner

Paralegal

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Ready to discuss your legal needs?

Contact us today to schedule a consultation and learn how we can help.