Our Team

MaiSee Vang

Executive Manager

MaiSee Vang has acquired valuable experience working with customers and clients that have helped her develop an appreciation of other peoples’ concerns. This is reflected in our law firm, which caters to the needs of individuals.

Maria Castaneda


Maria Castaneda, is bilingual in both English and Spanish. She works with a great team at MSV Services LLC and strives to provide the best service with the understanding needed to meet clients’ expectations.

Andrew P. Mongin


Attorney Andrew P. Mongin received his undergraduate from UW Madison and his law degree from Marquette University. Practicing since 2011, Attorney Mongin’s practice areas include criminal law, family law, landlord/tenant, immigration, and bankruptcy.

Mia Jennerjahn

Legal Assistance

Mia graduated from Northeast Wisconsin Technical College with an associate degree in paralegal studies. She works closely with Attorney Mongin to assist with case development and organization.  She loves to read books and spend time with her family when she is away from the office.