Jim Mack

  • Partner, Eisner Advisory Group LLC


Jim Mack is the Partner-in-Charge of the firm’s Assurance and Technology Control Services Group and a Partner in the Insurance Industry Practice. He has broad experience providing audit and consulting services to companies in the financial services, life sciences and energy sectors. With 25 years of experience, Jim is a seasoned client service professional with extensive expertise advising senior executives and boards of directors on how to navigate emerging accounting and regulatory rulemaking. He is a member of the firm’s Financial Services Group.

Jim has led audit engagements for companies in various stages of evolution, from start-ups to Fortune 50 entities and with private, public and alternative ownership structures. He has served as the outsourced internal audit leader for several NYSE-listed entities and directed dozens of Sarbanes-Oxley 404 implementations. Jim has worked on behalf of insurance regulators and has extensive experience working with insurance companies in various stages of regulatory supervision.

Prior to joining EisnerAmper, Jim was the President of West Valley Group, which specialized in assisting senior executives in making their operations more successful through the use of enterprise risk assessment, CFO support and merger integration solutions. The group focused on serving companies in the insurance, energy, manufacturing and health care industries. As a Senior Partner at SMART Business Advisory and Consulting, LLC, Jim was the Partner-in-Charge of the Advisory and Assurance Business Services Practice. In addition, he spent 12 years with Ernst & Young LLP, where he served some of the Philadelphia office’s largest clients.

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