Our Team

Denise Osterkorn

Denise joined the firm in 2018 as an Administrative Assistant at our Beloit office. Denise is a vital cog in the flow of work throughout the firm. She works closely with team members and partners in all departments on a daily basis. Denise greets every client with a smile on her face and in her voice.

Denise joined Siepert with three years of experience in corporate payroll and ten years in administration. Originally from Milwaukee, she resides in Lake Geneva with her husband. When Denise isn’t working to support our team and the clients she enjoys reading and playing games, especially Mahjong.

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