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Biography
Attorney Waltenberger hails from Racine, Wisconsin, and is a proud alumnus of William Horlick High School. He furthered his education at Marquette University, graduating with a Bachelor's Degree in Spanish and an Elementary Education Teaching Certification. During his time at Marquette, he immersed himself in the Spanish language and Mexican culture during a summer abroad in Xalapa, Veracruz. There, he embraced the local culture, including daily visits to the Tortilleria with his host father, Raul, to purchase fresh tortillas.
Seeking a new challenge, Attorney Waltenberger enrolled at Temple University Beasley School of Law in Philadelphia, Pennsylvania, known for its top-ranked Trial Advocacy program. He earned the Barrister's Award for outstanding performance in Trial Advocacy and interned at the Philadelphia District Attorney's Office, gaining valuable trial experience. His interest in travel and diversity led him to study abroad at Temple's Rome, Italy Campus.
After graduating, Attorney Waltenberger returned to the Midwest to be closer to his family, settling in Milwaukee. Over the past 20 years, he has dedicated himself to representing personal injury victims in complex cases, earning recognition as a Wisconsin Super Lawyer Rising Star and a member of The National Trial Lawyers Top 40 Under 40 for Wisconsin. He is deeply committed to his clients, ensuring they understand their cases and legal rights, whether their case settles or goes to trial.
Attorney Waltenberger is a staunch advocate for the Hispanic community, providing legal services in Spanish and ensuring they are respected and protected throughout the legal process. He believes in giving back to his community and enjoys spending time with his family, including their Beagle, Walter, and supporting Wisconsin sports teams. Attorney Waltenberger is dedicated to making Milwaukee a more inclusive and vibrant community for all.
Education
- Marquette University, B.A., 1999
- Temple University Beasley School of Law, J.D. Degree 2002
Honors and Awards
- Wisconsin Super Lawyer Rising Star
- The National Trial Lawyers Top 40 Under 40
Professional Associations
- Hispanic Professionals of Greater Milwaukee
- State Bars of Wisconsin, Illinois, and Indiana
- Wisconsin Association for Justice
- Illinois Trial Lawyers Association
- Bay View Historical Society (Former Board Member, Current Member)
- Big Brothers/Big Sisters Milwaukee (Big Brother)
Hablamos Español
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Client Testimonials
Damien H.
"If you’re looking for a personal injury attorney, look no further than attorney William J. Waltenberger, aka Attorney Bill ! I couldn’t be anymore satisfied that I hired attorney Bill to represent me and my auto accident claim. I was rest assured that I’d made the correct decision in doing so. Most law firms only care about being compensated for doing little to no work, attorney Bill is the total opposite, he returned every call and email within the same day, or the next day. Attorney Bill made me feel comfortable with answering any questions I brought to his attention. I actually fired a different law firm for giving me the runaround and hired attorney Bill and his staff to represent me. Attorney Bill got me in for physical therapy shortly after our initial conversation and got the insurance company to compensate me very well. My physical therapy care team was also amazing, I would like to give a shout out to them as well, who attorney Bill referred me to. Thank you to Nicolet Law, Attorney Bill and his paralegals for doing a fantastic job representing me, you have a client for life. Again, I highly recommend anyone who’s involved in a car accident to hire Attorney Bill and his law firm Nicolet Law. If I could give 10 stars for this review, I absolutely would. I was only allowed to give five stars, but here’s 10 more. ⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️ ⭐️ "
Maureen H
"Our experience working with Atty Bill Waltenburger was very reassuring. He always kept us in the loop and was always available to answer any of the numerous questions we had. The outcome of our case was what we were hoping for and was due to Bill's persistence and expertise. "
Kortnie U.
"Been fighting my case for over 2 years now and wouldn't have been able to get it settled if it wasn't for Attorney Bill. Thank you for riding this roller-coaster ride with me as I know it was bumpy but also Thank You for staying consistent with communicating with me! You are truly the best and appreciate everything you and your team has done for me! Continue to keep helping others and god will always reward you with good! Thank You 💪🏼❤️ "
Meet William's Bilingual Legal Team