Two major players in the U.S. government have left the public sector to work at Am Law 100 firms.

NEIL BAROFSKY, a former prosecutor in the Southern District of New York who served as the special inspector general to the government's 2008 bank bailout program, announced Monday that he is now at Jenner & Block. Barofsky will be a partner in the firm's New York office in both its litigation department and its white-collar defense and investigations, securities litigation and enforcement, and government controversies and public policy litigation practices.

Barofsky told sibling publication The New York Law Journal that he went to Jenner because "I feel like going to a firm like Jenner gives me the opportunity to sort of continue the work I've been doing. Like any big firm, they also represent financial institutions. A lot of firms do that and only that."

BORIS BERSHTEYN, who has held several positions at the White House and its Office of Management and Budget since 2009, has also ended his time in government to return to Skadden, Arps, Meagher & Flom as of counsel in the firm's New York office. He most recently served as acting head of the Office of Information and Regulatory Affairs.

While at the firm, he will advise on regulatory and enforcement actions involving government agencies, as well as Supreme Court, appellate, and trial-level litigation. Bershteyn had formerly been a litigator at Skadden.

In other Churn news . . .

A former deputy director in the Bureau of Competition of the Federal Trade Commission will move to Arnold & Porter's antitrust group as a partner. PETER LEVITAS is slated to join the firm October 7, specializing in antitrust investigations affecting the health care, pharmaceutical, and technology sectors. Sibling publication Blog of Legal Times has more on the move.

MICHAEL SMITH is now a partner in Baker & McKenzie's corporate and securities practice, advising global companies on cross-border listings, mergers and acquisitions, and corporate governance matters. He will be based in the firm's Toronto office but will be splitting time with the New York office. He comes to the firm from Kaye Scholer.

Ballard Spahr has hired JOYCE GORMAN as of counsel to its Washington, D.C., office. Gorman, who previously worked at Ashurst, will be in the firm's public finance department, focusing on municipal capital markets.

BARBARA DUNN has moved to Barnes & Thornburg's Chicago office from Howe & Hutton, a boutique specializing in work for nonprofit organizations. She will be a partner in Barnes & Thornburg's associations and foundations practice and corporate department.

Brownstein Hyatt Farber Schreck has hired six intellectual property lawyers from Dorsey & Whitney in Denver this summer, sibling publication The National Law Journal reports. The team is led by new shareholder S. CRAIG HEMENWAY and also includes shareholder EVAN ROTHSTEIN, of counsel NANCY SIMON, and three associates.

SCOTT WILSON has returned to Boies, Schiller & Flexner after ending his service as senior adviser and special counsel to New York Attorney General Eric Schneiderman. He was last at the firm as an associate in February 2011 and is now a partner in the firm's New York office, practicing for its commercial litigation and government investigations group.

Covington & Burling has expanded its London office by adding CHARLOTTE HILL as a partner to its financial regulatory practice from Stephenson Harwood. She will be advising financial institutions on regulatory and commercial matters in the European Union and the United Kingdom. Covington has also hired NICOLE DUCLOS, who will be of counsel in its New York office dealing with international commercial arbitration, particularly related to Latin America. She came from Allen & Overy and brought two associates with her.

Davis Polk & Wardwell has brought back partner AVI GESSER to the firm, after he served as the deputy director of the U.S. Department of Justice's Deepwater Horizon task force. The task force handled the criminal investigation and prosecution of conduct relating to the BP oil spill, which consisted of investigating BP, Halliburton, and Transocean. Gesser will be at the firm's white-collar criminal defense group in its New York office. He last worked for the firm as a partner in 2010.

MIN LEE has returned to Debevoise & Plimpton as counsel from Penguin Random House. She last was at Debevoise as an associate in 2005, and will now practice for both the firm's privacy and data security and intellectual property litigation groups in New York.

Goodwin Procter has hired DEREK COHEN, previously a deputy chief of the fraud section of the Justice Department's criminal division and deputy director of the Deepwater Horizon task force. He is now a partner in Goodwin Procter's New York office, concentrating on white-collar criminal investigations and prosecutions, regulatory inquiries and lawsuits, internal corporate investigations, and complex commercial litigation.

Haynes and Boone has added RIMA MOAWAD to its New York office from Proskauer Rose as a partner, specializing in cross-border mergers and acquisitions, restructuring, going private, and other corporate transactions. Haynes and Boone has also hired ROBERT THIBAULT as of counsel for its Houston office's energy practice group from Perkins Coie.

Hodgson Russ has hired new partners JENNIFER BOLL and THOMAS COLLURA. Boll's practice is in corporate, tax, estate, and business succession planning matters, and Collura will work with privately held companies and their owners on mergers, acquisitions, sales, and recapitalization matters. Both attorneys came from Tuczinski, Cavalier & Gilchrist (formerly Tuczinski, Cavalier, Gilchrist & Collura), and will split their time between Hodgson Russ's Albany, New York and Saratoga Springs, New York, offices.

CAMERON COSBY has left Hunton & Williams to be a partner at Hogan Lovells in Washington, D.C. Cosby will practice for the firm's tax group, focusing on federal income tax and real estate capital market matters for real estate investment trusts, partnerships and joint ventures, and private equity and other private investment funds.

Former Department of Justice lawyer JAMILLIA FERRIS is now a partner at Hunton & Williams in Washington, D.C., specializing in antitrust and consumer protection counseling and federal and state government investigations. At Justice she served in the antitrust division as chief of staff and counsel to the assistant attorney general.

Husch Blackwell's Kansas City, Missouri, office has expanded with senior counsel JOAN ARCHER. Last with Armstrong Teasdale, she will be part of the firm's food and agribusiness practice. Her experience includes handling business and product liability litigation, licensing disputes, and covenant not-to-compete litigation on behalf of animal health and other clients.

ALEXIS GILROY has left Nelson Mullins Riley & Scarborough for Jones Day's health care and life sciences practice in Washington, D.C. She will be a partner at the firm focusing on e-health matters related to how the healthcare industry uses technology to improve health and wellness.

K&L Gates has hired CARLA DEWBERRY as a partner for its health care practice in Seattle from Garvey Schubert Barer. The firm has also added DAVID RAPHAEL as a partner to its Harrisburg, Pennsylvania, office's environment, land, and natural resources practice now that he's ended his service as the chief counsel at the Pennsylvania Department of Environmental Protection.

King & Spalding has snatched a partner from Orrick, Herrington & Sutcliffe. MICHAEL HEAFEY will now work in King & Spalding's Silicon Valley office as a partner covering patent licensing and litigation, and trade secret litigation.

MAUREEN RUANE has rejoined Lowenstein Sandler after working as the former chief of the health care and government fraud unit in the U.S. attorney's office for the district of New Jersey. She was last at the firm as a partner and cochair of its appellate litigation practice in 2010. She'll now be a partner leading its health care litigation, investigations, and compliance practice.

KATHLEEN BROWN has joined Manatt, Phelps & Phillips after retiring as a chair for investment banking in the Midwest region for Goldman Sachs. She will now be a partner providing business counseling and advice on government and regulatory issues, particularly ones that relate to the health care, energy, and financial services industries. She will primarily be based in the firm's Los Angeles office, but will also work out of the New York and San Francisco offices.

JOHN SERVIDIO is now a partner based in both McGuireWoods's Chicago and New York offices. He last worked as a vice president and assistant general counsel at Bank of America Merrill Lynch. His practice at McGuireWoods concentrates on capital markets, securities, derivatives, structured products, and Dodd-Frank regulatory reform efforts.

Michael Best & Friedrich has hired SETH MAILHOT as a partner in the firm's transactional practice group and as the leader of its Food and Drug Administration regulatory practice in its Washington, D.C., office. He joins from Sheppard Mullin Richter & Hampton.

GANG YUAN has left Freshfields Bruckhaus Deringer to be a senior counsel with Miller, Canfield, Paddock & Stone's corporate group in New York. His practice will handle global mergers and acquisitions, foreign direct investment, and regulatory issues, with a concentration on the oil and gas industry.

JOHN BAE has moved from Greenberg Traurig to Mintz, Levin, Cohn, Ferris, Glovsky and Popeo in New York. He will be a member of the firm's bankruptcy practice, representing multinational companies in financial restructuring, cross-border insolvencies, commercial litigation, and product liability matters.

In Orange County, California, PENELOPE PARMES will now be a partner at Troutman Sanders after leaving Rutan & Tucker. She practices in the area of business insolvency law, with a particular focus on representing nondebtors in workouts and bankruptcy matters.

Vinson & Elkins has hired a derivatives attorney from Cadwalader, Wickersham & Taft. ROBERT SCHERER will now be of counsel in the firm's New York office concentrating on helping market participants deal with financial products such as fixed income derivatives, credit derivatives, and structured financial products.

The Churn is compiled from law firm releases and announcements. Moves based on our own reporting will note this. Please send all announcements and news releases to thechurn@alm.com.