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Staff Sergeant Mariko Willis, USMC
Chief Operations Officer

Attorney Mariko C. Willis, J.D. is an Associate Attorney at Willis Law practicing in estate planning, estate and trust administration, estate and trust litigation, corporate law, and real estate law.  Mariko received her undergrad, majoring in Business Management and then graduated cum laude with a Juris Doctor degree from Thomas M. Cooley Law School. 

Mariko is currently a Staff Sergeant in the United States Marine Corps Reserves, serving from 2003 – 2011 and 2014 - present.  Following in the footsteps of her brother, Christopher, Mariko joined the United States Marine Corps in 2003.  In boot camp, she held the billet as Guide, and completed her training as a 1st Squad leader. She attended MCT in North Carolina and received Meritorious Mast for being in the top 5% of Marines while in combat training, and then completed her occupational specialty training in North Carolina.  In 2004, Mariko was assigned to Engineer Support Company, 6th Engineer Support Battalion in Battle Creek, MI (the same unit that Christopher served with). 

In addition to her primary military occupational specialty as a Hygiene Equipment Operator, she also attended the Career Retention Specialist School at MCRD, San Diego, CA, and served two years as the Career Retention Specialist for Engineer Support Company, 6th Engineer Support Battalion, 4th MLG.  Mariko has attended the Marine Corps Career Retention Specialist School, has supported training operations around the world, and deployed in support of Operation Enduring Freedom with Command Joint Task Force HOA in 2007. 

Mariko currently serves as the Company Gunnery Sergeant and Deputy Family Readiness Officer for Engineer Support Company, 6th Engineer Support Battalion, 4th Marine Logistics Group, in Battle Creek, Michigan.

Mariko also serves as the Chief Operations Officer and on the Board of Directors for the Corporal Christopher K. Willis Foundation, and is a member of the Kalamazoo Rod and Gun Club, Ducks Unlimited, the National Rifle Association, and the Kalamazoo Detachment of the Marine Corps League.

Mariko and her son, Tyson, are very active in the Van Buren County/Kalamazoo community, volunteering and supporting many local charitable organizations.  When out of the office, Mariko enjoys hunting, fishing, softball leagues, playing the guitar, reading, and spending time with her family.