Grezca Law Group S.C.

Our Attorneys

Jerome G. Grzeca founder and Managing Partner of Grzeca Law Group, S.C., has practiced business immigration law for over twenty-two years in both Washington, D.C. and Milwaukee, Wisconsin. He has extensive experience providing legal services to the international business community for the hire and transfer of key personnel around the world. He’s represented clients in the hospitality, healthcare, biotechnology, information technology, transportation logistics, professional services, academia and manufacturing industries, among others.

He is a past Director on the American Immigration Lawyers Association (AILA) Board of Governors and Chair of the Taskforce on Affiliate Programs (2009); Vice Chair of the DOS Liaison Committee (2009-2010); Executive Director Search Committee (2009); Department of State Liaison Committee (2007-2008); USCIS National Benefits Policy Liaison Committee (2005-2007); Chair of the Wisconsin Advocacy Committee (2005-present); Chair of the Nebraska Service Center (NSC) Liaison Committee (2004-2006); Wisconsin Chapter Chair and Chair of the Milwaukee Bar Association (Immigration and Nationality Section) (2001-2003). He is a seasoned speaker and author of a variety of topics relating to business immigration law, and has served on more than thirty-five professional panels, webinars and round-table discussions for businesses needing expertise in immigration matters. Attorney Grzeca is listed with The Best Lawyers in America and Super Lawyers for excellence in immigration law.

Mr. Grzeca received his Juris Doctorate from Marquette University and is a member of the State Bar of Wisconsin and the District of Columbia Bar.




Carrie Ziegler Thomas is an Associate Attorney at Grzeca Law Group, S.C. Ms. Ziegler Thomas graduated from Marquette University Law School in 2006 and obtained a Bachelor's Degree in Business with a major in Public Relations with highest distinction from Ferris State University in 2001. Prior to joining Grzeca Law Group, Ms. Ziegler Thomas gained immigration law experience with the Catholic Charities Legal Services for Immigrants as well as general legal experience with private law firms. Ms. Ziegler Thomas is a member of the Wisconsin Bar Association and the American Immigration Lawyers Association (AILA).




Mary Lynn Ferwerda is an Associate Attorney at Grzeca Law Group, S.C. She graduated from Marquette University Law School in 2011. Ms. Ferwerda received her Master of Science Degree in College and Community Counseling and her Bachelor's Degree in History and Secondary Education from Creighton University in Omaha, Nebraska. Prior to joining Grzeca Law Group, she gained immigration law experience with her work at Catholic Charities Legal Services for Immigrants. Ms. Ferwerda is a member of the Wisconsin Bar Association.

C. Polly Ellingson is Of Counsel to Grzeca Law Group, S.C. Before joining Grzeca Law Group, Ms. Ellingson served as a member of the Employment Law Section at Michael Best & Friedrich L.L.P. and as General Counsel of The Medical College of Wisconsin in Milwaukee, Wisconsin, and Director of Risk Management and Director of Hospitals Legal Affairs at the University of Washington in Seattle, Washington. Ms. Ellingson is admitted to practice law in both Washington and Wisconsin. She holds a Bachelor's Degree from the University of Wisconsin - Madison and a Juris Doctor Degree from the University of Washington School of Law.

Corporate Immigration Law