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Accounting Advisory Board


Joey Epstein, CPA  CGMA, Managing Director, BDO


Managing Director with BDO’s tax practice, Joey Epstein has extensive experience providing accounting and advisory services to clients in a wide range of industries including law firms and other professional service organizations, as well as wholesale/distribution and software development companies.

He has worked with publicly-traded and privately-held middle-market companies ranging from start-ups to Fortune 1000. He has handled financial audits, income, and sales tax audits, tax planning, and has assisted clients with their exit strategies. He is also certified in Florida sales and uses tax.

Prior to joining BDO, he was the CFO of a start-up technology company, the COO of one of Florida’s largest law firms, and the COO of a national chain of language schools, where he negotiated the sale of the language schools to a UK public company.


Mark H. Agulnik, CPA  CISA, CIS LI, JD, Regional Advisory Partner-in-Charge, Marcum

Mark Agulnik serves as the Regional Advisory Partner-in-Charge for the Southeast at Marcum. He steers the strategic growth of the advisory practice, which includes transaction support services as well as business valuations, litigation support, and SOC engagements.

Agulnik ensures a high-caliber client experience for advisory services provided in the region. He works with high-growth clients engaged on the buyer and seller sides of M&A activity and oversees due diligence engagements. Mark has extensive experience overseeing SOC engagements, Sarbanes-Oxley compliance and implementation, internal control and internal audit, risk assessments, data security regulations, internal and external vulnerability assessments, and forensic audits.

His experience extends from conducting a gap analysis within a company’s IT and security environment to assisting with remediation efforts to assist with compliance to various regulations/frameworks, including HIPAA, PCI, SOX, ISO 27001.


David Childers  Treasurer of Rialto Management Group

David Childers currently serves as Treasurer of Rialto Management Group leading a team responsible for treasury operations, cash and debt management, corporate capital structure, insurance risk management, accounts payable, travel and expense management, and cash processing. He has strategically and operationally led Treasury, Capital Markets, Investments, Corporate Finance, and Investor Relations throughout his 30-year career.

Childers was Vice President – Treasury at WellCare Health Plans (2018 to 2020) and Vice President - Assistant Treasurer at Tech Data Corporation (2012 to 2018). David held multiple finance positions at The St. Joe Company during the diversified company’s period of restructuring and growth, last serving as Treasurer and Vice President of Finance and Investor Relations (1995 to 2012). He holds a B.S. in Public Relations from the University of Florida and is a member of the Florida Institute of CFOs.


Blain L. Heckaman  CPA, Chief Executive Officer, Kaufman Rossin

Blain Heckaman is CEO of Kaufman Rossin, where his leadership has helped position the firm as one of the top 100 CPA and advisory firms in the U.S.
He has championed the firm’s innovation initiatives and expansion of specialized business consulting, risk advisory, and forensic advisory practices to complement its traditional services, always remaining focused on the firm’s core mission of improving clients’ businesses and helping protect them from risk.

Blain is active in the South Florida community and has been recognized by the South Florida Business Journal as a Power Leader, Ultimate CEO, and Key Partner. He chairs the YWCA's Economic Justice Council, a group of businesses dedicated to creating more inclusive industries, corporations, and workplaces. He is past chairman and current board member of Voices for Children Foundation, Inc., and a member of the Strategic Forum.

shawn-mostal.jpgShawn Mostal, CPA  Audit Services Managing Director, Grant Thornton

Shawn Mostal is an Audit Services Managing Director with Grant Thornton. With 20 years of experience in public accounting, Shawn’s work includes supervising and coordinating all services rendered to privately- and publicly-held clients.

Within these areas he has significant involvement with in-depth work in audit and accounting, Initial Public Offerings (IPOs), complex partnership matters, consulting, acquisition evaluations, and various other services. Shawn has a focus on financial services and employee benefit plns on both accounting and consulting matters.


Michael Rabinovitch
Chief Financial Officer,
BurgerFi International, Inc.

Michael Rabinovitch is Chief Financial Officer of BurgerFi International, Inc., one of the nation's fastest-growing premium fast-casual concepts. He brings extensive financial leadership skills to high growth, publicly held retail and distribution companies, completing and integrating over 25 acquisitions valued at over $2B during his career.

Prior to joining BurgerFi, Mr. Rabinovitch was Chief Accounting Officer at Tech Data Corporation, a Fortune 100 global technology distributor. He has held positions including Chief Accounting Officer and VP Finance, North America, for Office Depot Chief Financial Officer of Mayors Jewelers. He also served as VP Finance at Claire's Stores during a six-year period of rapid expansion, contributing to their growth from 1,200 to over 3,000 locations in 10 countries.

Mr. Rabinovitch began his career with Price Waterhouse (now PwC) as a licensed certified public accountant. He holds bachelor’s degrees from Florida State University in Accounting and Finance and is an advisory board member of the School of Accounting at both Florida State University and University of South Florida.


Michael Siegel, CPA  Audit & Assurance Managing Director, Deloitte & Touche

Michael Siegel, CPA is an Audit & Assurance Managing Director with Deloitte & Touche in Boca Raton, Florida.

Michael joined Deloitte in 1992 and has experience serving large public companies and privately held entities. Michael has served clients in a variety of industries including real estate, aerospace, manufacturing, hospitality, technology and insurance.

Siegel has extensive experience leading audit engagements, with debt and equity offerings, business combinations and audits of internal control over financial reporting.

Prior to transferring to Florida in 2004, Michael worked in Deloitte & Touche's Detroit office.


J. Stephen Wilder
Chief Financial Officer/Chief Information Officer,
City Furniture

Steve Wilder began his career as a C.P.A. with Waterbed City before the company rebranded to City Furniture and became one of South Florida’s most recognizable brands. He has been City Furniture’s Chief Financial Officer since 2001 and also served as the Chief Information Officer for eight of those years. His financial acumen has helped City Furniture become a top-30 retailer on Furniture Today’s list.

Wilder earned a bachelor’s degree in Accounting from the University of South Florida and an M.B.A. from Florida Atlantic University. He maintains an active Florida C.P.A. License and is a member of the American Institute of C.P.A.s, the Florida Institute of C.P.A.s, Broward County Chapter, and Financial Executives International, Broward County Chapter.

Steve was the recipient of an Apogee Award as Broward County CFO of the Year by South Florida Business & Wealth magazine. He has participated in both CFO and CIO Forums sponsored by the South Florida Business Journal and was awarded a Lifetime Achievement Award by the Journal.


Zorica Visosevic, CPA  Managing Director, Audit and Assurance Services

Zorica Visosevic, CPA, has twenty years of public accounting experience providing audit and advisory services.

She serves both public companies and private equity investors, primarily in the consumer and industrial products, transportation, hospitality, and services industries. Zorica has assisted numerous clients with private placements, debt offerings, and regulatory and accounting matters.

She has extensive experience working with multinational companies, including global coordination of audits in numerous countries and locations.

Her areas of specialization include revenue recognition, leases, restructuring, divestitures, consolidations, internal controls and accounting for income taxes.

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