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Joined the firm in: 2015
Entered accounting in: 1986
Native of: Northfield, Illinois
Resident of: West Hills

Mari Crosthwait

Client Service Coordinator

As administrative support to the firm, Mari’s primary focus in on customer service and front office work flow. She troubleshoots issues to find opportunity and resolves questions with intentional listening, patience and professionalism.


Mari started her career in the banking industry in Illinois. After moving to California, she has worked for a non-profit, an internet start-up and two other public accounting firms.

Community Involvement
  • Church
  • Various causes that support victims of domestic violence
Outside the Office

Mari and her husband have a blended family of seven children and three grandchildren. She enjoys spending time with them at home, the beach, church, the movies and the theater. She also enjoys being alone in her back yard with a good book.

Who is Mari?

“A hard-working professional with high standards. I’m fun-loving, compassionate and laugh often.”

  • “Everyone works hard to make my life as a business owner less complicated so I can focus on the stuff I’m good at—which, by the way, is not accounting.“

    - Sherri C.  |  Los Angeles, CA  |  Professional Services
  • “As an entrepreneur and long time client, I credit much of my financial sanity to their expertise, wisdom and compassionate care for their clients.“

    - Roger C.  |  San Pedro, CA  |  Author
  • “Roschke & Wall is as good as it gets. From business advice to how to deal with employees in multiple states, they have answers to help us navigate complex issues.“

    - Terry J.  |  Austin, TX  |  Professional Services


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