Joffrey K. Van Nostrand




​Siesennop & Sullivan LLP has a reputation as being one of the most respected civil defense litigation firms in the State of Wisconsin.  Our attorneys are repeatedly recognized by judges, lawyers and the legal community as being at the top of their respective fields.  We are at the forefront of shaping legal issues that affect our clients and we have the experience and qualifications that allows us to create unique and creative solutions to our clients’ most difficult problems.


SIESENNOP & SULLIVAN LLP | 111 W. Pleasant Street, Suite 110 Milwaukee, Wisconsin 53212 | Phone: 414-223-7900  | Fax: 414-223-1199

Wayne Siesennop

Founding Partner

Associate Attorney

Pat Sullivan

Founding Partner


Associate Attorney


Ellison Hitt




Associate Attorney

Our Professionals