Our Team
Meet the people who undoubtedly are what makes our firm great. “Skilled, enthusiastic, providing the highest quality of services, generous with their time, friendly, professional, and respectful” are all qualities used to describe them in a recent Top Workplace survey.
- Alphabetical
- Sort Date "Newest First"
- Sort Date "Oldest First"
- Most Popular
- Highest Rated
- First Name Ascending
- First Name Descending
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- Middle Name Descending
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Results Updated
11 Total Results

May E. Arinze
Associate
Transactional
414.287.9336414.287.9336
- Transactional
- Environmental
- Marquette University Law School
- Milwaukee
- Associate

Mark C. Bender
Special Counsel
Transactional
608.284.2635608.284.2635
- Transactional
- Administrative & Regulatory
- Energy
- Environmental
- ESG (Environmental, Social and Governance)
- Political Law
- Tribal Governments
- University of Wisconsin Law School
- Madison
- Special Counsel

John L. Clancy
Shareholder
Transactional
414.287.9256414.287.9256
- Transactional
- Energy
- Environmental
- ESG (Environmental, Social and Governance)
- Tribal Governments
- University of Virginia School of Law
- Milwaukee
- Shareholder

David J. Gilles
Special Counsel
Transactional
608.284.2219608.284.2219
- Transactional
- Antitrust
- Energy
- Environmental
- University of Wisconsin Law School
- Madison
- Special Counsel

Arthur J. Harrington
Of Counsel
Transactional
414.287.9414414.287.9414
- Transactional
- Energy
- Environmental
- Tribal Governments
- University of Wisconsin Law School
- Milwaukee
- Of Counsel

Diane M. Marchik
Shareholder
Transactional
414.287.9220414.287.9220
- Transactional
- Environmental
- ESG (Environmental, Social and Governance)
- University of Iowa College of Law
- Milwaukee
- Shareholder

William J. Nelson
Associate
Transactional
608.284.2240608.284.2240
- Transactional
- Administrative & Regulatory
- Environmental
- Tribal Governments
- Marquette University Law School
- Madison
- Associate

Andrew S. Oettinger
Shareholder
Litigation
414.287.9618414.287.9618
- Litigation
- Artificial Intelligence (AI)
- Contract & Commercial Litigation
- Data Privacy, Cybersecurity & Technology
- Environmental
- Financial Services Litigation
- Insurance & Reinsurance
- Litigation
- Real Estate & Construction
- Securities & Shareholder Disputes
- University of Wisconsin Law School
- Milwaukee
- Shareholder

Brian L. Pierson
Of Counsel
414.287.9456414.287.9456
- Energy
- Environmental
- Tribal Governments
- University of Wisconsin Law School
- Milwaukee
- Of Counsel

Derek J. Punches
Associate
Transactional
608.284.2287608.284.2287
- Transactional
- Administrative & Regulatory
- Environmental
- University of Wisconsin Law School
- Madison
- Associate

Sarah R. Schenck
Shareholder
Transactional
414.287.9694414.287.9694
- Transactional
- Environmental
- ESG (Environmental, Social and Governance)
- University of Minnesota Law School
- Milwaukee
- Shareholder
Get in Touch
Meet the leaders who serve our offices and teams each day, while striving to uphold our culture and core values.
- Alphabetical
- Sort Date "Newest First"
- Sort Date "Oldest First"
- Most Popular
- Highest Rated
- First Name Ascending
- First Name Descending
- Middle Name Ascending
- Middle Name Descending
- Last Name Ascending
- Last Name Descending
- Suffix Ascending
- Suffix Descending
- Image Alt Text Ascending
- Image Alt Text Descending
- Direct Line Ascending
- Direct Line Descending
- Fax Ascending
- Fax Descending
- Email Ascending
- Email Descending
- Alt Leadership Title Ascending
- Alt Leadership Title Descending
- Certifications Ascending
- Certifications Descending

Nicholas P. Wahl
President and Managing Partner
414.287.9230414.287.9230
- President and Managing Partner

Jennifer A. Hannon
Madison Office Managing Partner
608.284.2657608.284.2657
- Shareholder

Laura H. Meronk
Green Bay & Appleton Offices Managing Partner
920.831.6361920.831.6361
- Shareholder


Chuck Allenstein
Chief Information Officer
414.287.9412414.287.9412
- Chief Information Officer

Kimberly P. Thekan
Chief Operations Officer
414.287.9415414.287.9415
- Chief Operations Officer

Todd M. Womack
Chief Financial Officer
414.287.9325414.287.9325
- Chief Financial Officer