About Constantine Cannon

Constantine Cannon is an internationally recognized law firm, with offices in New York, Washington, DC, San Francisco and London, with expertise in antitrust and fraud. Over the past ten years, the firm has recovered for its clients more than $5 billion and tens of billions of dollars more in injunctive relief. The firm’s experience spans across multiple industries including healthcare, banking, pharmaceuticals, securities and commodities trading, insurance, high tech, the Internet and government contracting.

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About Our Team

Jason Enzler

Jason Enzler

Jason Enzler joined Constantine Cannon in 2008 as an associate in the firm’s Washington, DC office. His practice focuses on commercial litigation, antitrust, and representing whistleblowers under the False Claims Act and the Dodd-Frank/Wall Street Reform Act. Mr. Enzler earned a J.D., magna cum laude, from The Catholic University, Columbus School of Law in 2005 and his undergraduate degree from Iowa State University. Mr. Enzler is admitted to practice in the District of Columbia and in New York. To learn more about Mr. Enzler, click here.

AnneHartmanAnne Hayes Hartman

Anne Hayes Hartman, a partner in the San Francisco office, has over 16 years of experience representing whistleblowers in qui tam lawsuits. She has pursued fraud claims in numerous industries, including defense, natural resources, commodity purchasing, health care, and finance. Ms. Hartman was part of the legal team that won a $225 million judgment after trial on behalf of several Los Angeles and California agencies against an electric utility for overcharging its government customers. Also a skilled litigator, Ms. Hartman has extensive complex commercial litigation and trial experience in state and federal courts as well as various ADR contexts. Ms. Hartman graduated from Columbia University and received both a J.D. and an M.P.P. from the University of California-Berkeley. To learn more about Ms. Hartman, click here.

Eric HavianEric R. Havian

Eric R. Havian is a partner in the San Francisco office of Constantine Cannon. He has extensive experience representing whistleblowers in qui tam lawsuits. He has also represented numerous local governments in False Claims Act matters, including the County of Los Angeles and the City of San Francisco. In 2010 California Lawyer Magazine named Mr. Havian a “California Lawyer of the Year.” In 2008 the National Law Journal named him as one of the Top 10 “Winning” Attorneys in the nation. He has been selected as one of the top 500 lawyers in America by Lawdragon and one of the top lawyers in Northern California by Superlawyers from 2005 through 2014. He was recently named to “Who’s Who in America” for 2014.

Mr. Havian was lead counsel for the whistleblower in a case that concluded in 2014 with the largest stand-alone kickback settlement ever, $400 million, against one of the largest dialysis companies in the country, DaVita. He also led a 2009 action that resulted in the largest settlement ever paid by a defense contractor in a whistleblower case, $325 million, against Northrop Grumman for selling defective components for government satellites. In 2007 he was co-lead counsel representing a whistleblower and several schools and other public agencies, in a trial that resulted in a $225 million verdict against an electric utility for overcharging its government customers. He also represented a whistleblower and dozens of public agencies as lead counsel in a 13-year litigation that resulted in the 2009 payment of $90 million by companies selling high-lead waterworks parts to California municipalities. Mr. Havian graduated cum laude in 1981 from Harvard Law School, where he was an oralist for the team that won the Ames Moot Court Competition. He was an Assistant United States Attorney in the Criminal Division of the U.S. Attorney’s Office in San Francisco from 1987 through 1994. In 1994, he opened the San Francisco office of Phillips & Cohen. He joined Constantine Cannon in March 2015. Mr. Havian has taught fraud seminars at Stanford Law School and the University of California School of Law (Boalt Hall). To learn more about Mr. Havian, click here.

Molly Knobler
Molly Knobler

Molly Knobler joined Constantine Cannon in 2015 as an associate in the firm’s Washington, DC office. She has significant experience representing “qui tam” whistleblowers, particularly in health care and defense contracting cases. Ms. Knobler earned her J.D. from Stanford Law School in 2011 and her undergraduate degree in molecular biology from Pomona College. Ms. Knobler is admitted to practice in the District of Columbia and in California. To learn more about Ms. Knobler, click here.


Marlene KouryMarlene Koury

Marlene Koury is an associate in the New York office of Constantine Cannon. Ms. Koury joined the firm in 2007 and concentrates her practice on antitrust litigation and counseling and representing whistleblowers under the False Claims Act and the Dodd-Frank/Wall Street Reform Act. Ms. Koury earned her J.D., cum laude, from Seattle University and her B.A. in Philosophy from the University of Washington. Ms. Koury is admitted to practice in New York. To learn more about Ms. Koury, click here.

Wayne T. Lamprey

Wayne T. Lamprey, a partner in the San Francisco office, specializes in representing whistleblowers. He has investigated and successfully prosecuted fraud for over 25 years, first as a federal white collar prosecutor, and for over 18 years representing whistleblowers. He has experience with schemes in a wide range of industries including health care, defense and government contracting, shipping, banking, securities and finance, energy, public resources, accounting, telecommunications, and more.

Mr. Lamprey’s experience has provided an effective basis for success for his clients. He has pursued and resolved numerous whistleblower actions, including two of the largest recoveries under the California False Claims Act. He was co-lead trial counsel in a whistleblower action involving energy accounting and related overcharges to public entities, and obtained a verdict for $225 million. In the area of public resources, Mr. Lamprey tried a whistleblower claim against lessees of public lands, resulting in another record recovery in California.

Mr. Lamprey’s skills are well recognized. A fellow of the American College of Trial Lawyers, Mr. Lamprey has tried criminal and civil False Claim actions. He is consistently listed as a SuperLawyer in California, and speaks and teaches regularly about whistleblower law and trial practice. To learn more about Mr. Lamprey, click here.

tmccormack2Tim McCormack

Tim McCormack is a partner in Constantine Cannon’s Washington, DC office. He specializes in representing whistleblowers in “qui tam” lawsuits brought under the Federal and various state False Claims Acts and claims made under the Internal Revenue Service’s whistleblower program. Mr. McCormack is a recognized expert and frequent author and speaker on issues related to health care reimbursement and coding, provider contracting, commercial and government managed care programs (including Medicare Advantage risk adjustment fraud), the Stark and Anti-Kickback laws, and the use of data and analytics in the detection and remediation of fraud. He joined Constantine Cannon in June 2015. Previously, he was a partner at Phillips & Cohen, LLP. His clients have successfully helped the United States and various states recover hundreds of millions of dollars. To learn more about Mr. McCormack, click here.

Jessica MooreJessica T. Moore

Jessica T. Moore is in the San Francisco office of Constantine Cannon LLP. Ms. Moore has extensive litigation and trial experience in whistleblower matters and complex cases. She brings significant analytical and investigative expertise to her representation of clients.

She has represented whistleblowers in a wide variety of cases under state and federal laws, and since 2005, her practice has been exclusively under qui tam statutes and other whistleblower laws that expose, correct, and remediate fraud. Her cases have involved fraud in Medicare and other government healthcare programs, false claims in construction projects and various procurement contexts, and tax fraud.

Ms. Moore was one of two primary attorneys representing a whistleblower in a lawsuit against DaVita Healthcare Partners, resulting in a $400 million settlement. The complaint alleged that DaVita paid doctors hidden kickbacks to get patient referrals for its dialysis centers. She was also a senior trial team member representing a whistleblower, several states, and municipalities in a successful two-month jury trial against the world’s largest manufacturer of PVC pipe. She also represented a whistleblower, schools, and public agencies as a key member of the trial team in a lawsuit against an electric utility accused of overcharging its government customers. That trial resulted in a $225 million verdict for plaintiffs. Ms. Moore practiced at Phillips & Cohen LLP from 2005 to 2015. She joined Constantine Cannon in June 2015. To learn more about Ms. Moore, click here.

Gordon Scnhell

Gordon Schnell

Gordon Schnell has been a partner of Constantine Cannon since 1999, focusing on antitrust, fraud and whistleblower law. He practices before all levels of federal court and regularly represents clients on antitrust and fraud matters before the DOJ, FTC and other federal and state enforcement agencies. Mr. Schnell represents whistleblowers under the False Claims Act, Dodd-Frank/Wall Street Reform Act and the vast array of other whistleblower laws.

Mr. Schnell writes and speaks extensively on antitrust and fraud issues and is routinely interviewed and quoted in major business publications across the country including the Wall Street Journal, New York Times, Forbes, CNN, Bloomberg, USA Today, Newsweek and NPR. Mr. Schnell graduated from Columbia University School of Law in 1991 as a Stone Scholar, and from Tufts University in 1986, summa cum laude, with a degree in electrical engineering and physics. Mr. Schnell is a two-time recipient of the N. Hobbs Knight Prize Scholarship in Physics, is listed in the International Who’s Who of Competition Lawyers, and has been selected repeatedly as one of New York’s “Superlawyers” by Thomson Reuters. To learn more about Mr. Schnell, click here.


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