Partners

Sharff, Wittmer, Kurtz, Jackson, & Diaz P.A

Sharff, Wittmer, Kurtz, Jackson, & Diaz, P.A. has been providing professional services in South Florida for over 60 years. As a full service firm, we offer a variety of services including Taxation, Auditing, Accounting and Advisory Services, Management Consulting, & Litigation Support. We help our clients cope with an increasingly complex business world. Our commitment to the business community, the accounting profession, and the individual clients we serve has as its foundation our guiding principles of service, experience, integrity and adherence to excellence.

  • Joseph M. Jackson, C.P.A.
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    Joseph started his accounting career at SWKJD in 2000 and was promoted to partner in 2006. Joseph currently is the Managing Tax Partner at SWKJD and leads a team of highly skilled tax professionals working with clients both domestically and internationally in a variety of industries. Joseph is highly respected for his knowledge in domestic and international tax structures, tax planning for real estate developers, and income/estate planning for high net worth individuals. He is as adept in international matters as he is with domestic tax situations, often working with our international tax professionals on voluntary disclosure cases, pre-immigration planning, and creating corporate structures to minimize worldwide taxation and ensure international tax compliance. Joe is a member of the American Institute Of Certified Public Accountants and the Florida Institute Of Certified Public Accountants.
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  • Luis E. Diaz, C.P.A.
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    Luis is the Managing Partner and has been practicing with our firm since 1997. He was promoted to partner in 2000. He has over 20 years of experience in the accounting field including: three years of experience in auditing with EY, a global leader in assurance, tax, transactions and advisory services. His extensive base of experience includes (1) advisory services to clients on accounting and tax matters, business acquisitions, sales and valuations (2) litigation support services to attorneys, providing calculations on loss of earnings, business valuations, divorce matters, contractual disputes, searches for hidden assets, as well as consultation on complicated accounting services. (3) audit, review, accounting and tax responsibilities range from small to large closely held entities in various industries including legal and medical professional service corporations, manufacturing, real estate, retail, healthcare, and others. Luis is a member of the American Institute Of Certified Public Accountants and the Florida Institute Of Certified Public Accountants.
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  • Michael L. Jackson, C.P.A.
    Partner
    Practicing for more than 42 years, Mike is experienced in all phases of accounting, auditing, tax matters, consulting, and litigation support. He is a member of the AICPA, FICPA, and is licensed to practice in both Florida and New York. He is also an active member in the Rotary Club of Coral Gables, the Coral Gables Chamber of Commerce, as well as other civic matters.
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