5000 West Esplanade Avenue, PMB 157 Metairie, LA 70006
Marcus, Hastings & Associates
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About Us

John W. Marcus, MBA, CPA, CVA, CFFA

John W. Marcus is co-founder of Marcus, Hastings & Associates LLP, and concentrates his work in the areas of business valuations, financial damages, litigation consulting, and expert witness testimony.

After receiving his MBA in accounting and finance from Tulane University, Mr. Marcus began a consulting career with a major Chicago-based consulting firm. Following that, he focused on tax matters with one of the largest professional services and auditing firms in the world, later becoming the director of consulting services for a large local Certified Public Accounting (CPA) firm. As business valuations became a larger part of his workload, Mr. Marcus realized that there was a need among attorneys, Certified Public Accountants, businesses and individuals for a unique firm that could provide a wide breadth of litigation support and valuation services in cases of commercial and personal damages, business valuations, family law matters, and other unusual engagements that sometimes defy categorization.

Since founding Marcus, Hastings & Associates LLP, Mr. Marcus has earned a Certified Forensic Financial Analyst (CFFA) designation—only the third of its kind in the nation—and been certified as a Certified Valuation Analyst (CVA) by the National Association of Certified Valuation Analysts (NACVA), qualifying him to serve as a litigation consultant or expert witness in a range of valuation and litigation matters.

Professional Organizations


  • Presented Outstanding NACVA Member Award
  • Recognized as a NACVA Teacher of Excellence

Deborah Hastings, MBA

Prior to co-founding Marcus, Hastings & Associates LLP with John Marcus, Deborah Hastings worked at a national personnel consulting firm and a regional insurance agency. After 10 years in the medical research and health care field, she shifted her professional focus toward management and business areas. Ms. Hastings has coordinated charitable fund raising events and served on the boards and executive committees of a range of not-for-profit organizations in the Greater New Orleans area. Additionally, she has served on the Executive Board and as Treasurer of the Parents Council of New Orleans. Ms. Hastings holds a Bachelors of Science from Louisiana State University (Medical Center campus) and a Masters of Business Administration from Tulane University. Ms. Hastings specializes in management consulting.

Rachael Johns, JD

We’d like to welcome our newest member to MHA! Prior to joining Marcus, Hastings & Associates LLP as a partner, Mrs. Johns attended LSU’s Paul M Hebert School of Law, graduating in 2010. In addition to holding a Juris Doctorate and Graduate Diploma in Civil Law, Mrs. Johns holds a Bachelors of Arts from Vassar College in Psychology. Prior to joining MHA, Mrs. Johns had worked at an accounting and litigation consulting firm in Baton Rouge.

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