Zac Greene represents individual and corporate clients in business disputes and white collar criminal matters.
Zac represents companies and individuals in internal investigations and government investigations and enforcement proceedings. Zac's experience includes guiding clients through interactions with the U.S. Department of Justice (DOJ), U.S. Securities and Exchange Commission (SEC), Federal Bureau of Investigation (FBI), U.S. Environmental Protection Agency (EPA), federal inspectors general (OIG), and state agencies. He has represented clients in prosecutions charging mail fraud, wire fraud, healthcare fraud, immigration violations, and public corruption, and in investigations involving those areas as well as the Foreign Corrupt Practices Act (FCPA), environmental regulation, nuclear power regulation, and antitrust.
Zac’s civil practice is focused on business litigation in state and federal trial courts and courts of appeal. He frequently represents commercial entities and financial institutions in matters involving breach of contract, negligence, fraud, unfair competition, securities, and government regulation. He also represents public entities in constitutional litigation. Zac's diverse appellate experience includes briefing and arguing cases addressing contract law, antitrust law, public pensions, legislative procedure, legislative privilege, constitutional law, and civil rights.
As chair of the firm’s Crisis Management Group, Zac collaborates with attorneys in various practices to leverage Miller & Martin’s deep corporate and dispute resolution experience to help clients prepare for and deal with business crises.
Zac is a member of the firm's Policy Committee.
- Represented former vice-president of a national truck stop company in federal criminal investigation and prosecution relating to the failure to pay more than $50 million in rebates and discounts on diesel fuel purchases over a five-year period.
- Represented former nuclear power industry executive in corporate internal investigation, criminal investigations by U.S. Attorney's office and DOJ, and administrative action by Nuclear Regulatory Commission relating to plant operations. No charges were filed and client was not cited for regulatory violations.
- Defended regional construction contractor on federal alien harboring and firearms possession charges. Reached favorable plea agreement that included dismissal of one charge and return of nearly $1 million in seized assets.
- Represented contractor in federal Clean Water Act criminal investigation arising from industrial fuel spill in the Tennessee River. No charges were filed.
- Organized legal response to explosion and chemical release at client facility. Crisis management efforts included conducting internal investigation, consulting with in-house and outside public relations teams concerning media communications, preparing employees for interviews with regulators, and advising management regarding legal issues relating to incident and continuing operations.
- Defended registered investment adviser in SEC investigations of alleged unauthorized transactions.
- Represented 10 human resources staff members, including managers during internal and government investigations arising from nation's largest immigration raid. No charges were filed against clients.
- Represented foreign national charged with conspiracy to defraud United States Agency for International Development in connection with the construction of a water treatment plant in Egypt.
- Represented target auto parts manufacturer in antitrust price-fixing investigation. No charges were filed.
- Pro bono representation of defendant in federal court charged in region-wide narcotics distribution conspiracy. Secured plea agreement for minimum possible sentence.
- Obtained summary judgment, affirmed by Sixth Circuit, in favor of municipal government on challenge to $227 million pension reform program brought by retirees under Contract Clause, Due Process Clause and Takings Clause of the United States Constitution. Frazier v. City of Chattanooga, 841 F.3d 433 (6th Cir. 2016).
- Obtained summary judgment, affirmed by Sixth Circuit, in favor of municipal government on claims by former police chief that pension amendment was passed in violation of city charter legislative provisions and unconstitutionally deprived him of benefits under the Contract Clause, Due Process Clause and Takings Clause of the United States Constitution. Dodd v. City of Chattanooga, 846 F.3d 180 (6th Cir. 2017).
- Obtained dismissal, affirmed by Sixth Circuit, in favor of Fortune 500 company of claims asserted under federal anti-trust and collective marketing statutes. Terry v. Tyson Farms, Inc., 604 F.3d 272 (6th Cir. 2010), cert. denied, 131 S. Ct. 1044, 79 U.S.L.W. 3271 (U.S. Jan. 24, 2011) (No. 10-542).
- Obtained judgment, affirmed by Tennessee Court of Appeals, in favor of city councilman on defamation claims relating to legislative speech. Issa v. Benson, 420 S.W.3d 23 (Tenn. Ct. App. 2013) (perm. to appeal denied Nov. 15, 2013).
- Represented Europe-based fund of hedge funds in its claims of gross negligence, fraud, breach of contract and breach of fiduciary duty against former hedge fund administrator.
- Won jury verdict on claims of negligence in the sale of $1.5 million tract of real property.
- Successfully tried to defense verdict real property claims against developers arising from multi-million dollar commercial development.
- Represented multi-national group of clients in litigation against nine domestic and foreign companies regarding fishing rights in Russia.
- J.D., magna cum laude, University of Mississippi, 2005
- Associate Notes and Comments Editor, Mississippi Law Journal
- B.S., magna cum laude, University of Tennessee at Chattanooga, 2001
- U.S. District Court, Eastern, Middle and Western Districts of Tennessee
- U.S. Court of Appeals, Fifth, Sixth and Eleventh Circuits
- U.S. Supreme Court
- American Bar Foundation, Fellow, since 2022
- The Best Lawyers in America© - Commercial Litigation, since 2022
- Mid-South Super Lawyers®, Rising Star in General Litigation, since 2012
- Tennessee Bar Association Leadership Law, Class of 2019
- American Bar Association, White Collar Crime Litigation Subcommittee - Co-Chair
- Federal Bar Association, Chattanooga Chapter - Immediate Past President
- Tennessee Bar Association, Litigation Section - Chair
- Chattanooga Bar Association
- Defense Research Institute
- Supreme Court Historical Society
- The Stadium Corporation, Board of Directors
- David W. Carrithers Lecture on Law, Politics, and Public Policy, Steering Committee
- Chattanooga Junior Golfers Development Program (formerly The First Tee of Chattanooga), Former Chair
- Chattanooga Room in the Inn, Former Board Member
- Attorney Zac Greene Describes Career Journey in Hamilton County Herald Feature
- Attorney Zac Greene Named Fellow of the American Bar Foundation
- 52 Miller & Martin Attorneys Named to 2022 Best Lawyers® List
- 15 Miller & Martin Attorneys Named to 2020 Mid-South Super Lawyers and Rising Stars Lists
- 15 Miller & Martin Attorneys Named to 2019 Mid-South Super Lawyers and Rising Stars Lists Show more
- Zac Greene Produces Tennessee Bar Association's 2021 Litigation Law Forum Sponsored by Miller & Martin
- Attorney Zac Greene Provides Thought Leadership at TBA Litigation Law Forum 2020 Sponsored by Miller & Martin
- ACC TN | Crisis Management & Communication – The Good, The Bad & The Ugly
- Griffin and Greene Particpate at White Collar Crime Seminar
- Dickson and Green to Speak at Southeastern Forensic & Valuation Services Conference Show more
- DOJ's Renewed Emphasis on Individual Accountability Highlighted in ABA Article by Litigator Zac Greene
- White Collar Attorneys Barron and Greene Address Tougher SEC Enforcement for Corporate Execs in ABA Article
- Zac Greene and Jenna Fullerton Publish ABA Article on the Potential for Conflicting Ethical Rules to Expand Criminal Discovery
- Internal Whistleblowers Entitled To The Same Employment Protections As External Whistleblowers
- White Collar Prosecutions Reach 20-Year Low
For several years, Zac has taught a senior-level class on the Bill of Rights at the University of Tennessee at Chattanooga.