Deutsche Bank has reversed the exodus of staff that have departed the bank over the last several weeks with two new senior new hires in its Global Markets Americas business. Lori Arndt onboarded as Global Head of Client Strategy in Equities, where she will run equities client strategy, resource allocation, management reporting, reference data and monitoring tools across all equities product lines. Arndt previously worked at Surveyor Capital, a unit of Citadel, and also worked at Goldman Sachs and Nomura.

Also, Chris McCarthy was hired as a Director in Global Credit Trading, and Ronnie Shah, as a Director in Research, specializing in Quantitative Equity Strategy. Shah joins the bank from Gerstein Fisher Funds and previously served in senior quantitative research roles at BlackRock and Dimensional Fund Advisors.

If you have a new job or promotion to report, let me know at jdantona@marketsmedia.com

Matt Mallgrave, head of US equity flow trading at Credit Suisse, resigned, according to people familiar with the matter. Mallgrave, according to reports, is said tobe joining rival JPMorgan. Also at JPM, Marco Dion, head of the central risk book trading desk in Europe for equities, is departing after almost a decade at the US bank. He reported to Tim Johnston, head of equities cash trading in Europe, Middle East and Africa.

Axioma, a provider of enterprise market risk and portfolio analytics solutions, has hired ex-BlackRock strategist Christopher Woida as Managing Director and head of its Index Business. He is responsible for strategy, development and sales in Axioma’s indexing initiative. Woida, who was with BlackRock for the last seven years, was one of the manager’s investment strategists and a founding member of the Factor-Based Strategies Group. While there he helped to build the company’s smart beta and factor-based platforms. He contributed to the design of the company’s first fixed income smart beta ETF, and its quantitative fixed income liquid alternatives mutual fund. More recently, he was the lead investment strategist for BlackRock’s flagship style factor hedge fund. Prior to that he was with Deutsche Bank Securities for two years, specializing in fixed income structured sales. He began his career at Intel Corporation, where he was a Senior R&D Engineer.

Mizuho Americas announced the addition of Alexander Lim as a Managing Director in Healthcare Investment Banking. Lim, a pro with 15 years’ experience, joins the firm’s North American investment banking platform with a mandate to originate and execute equity, M&A and other strategic capital raising activities for West Coast based healthcare sector companies. He most recently served as Managing Director, Healthcare Investment Banking, for Oppenheimer & Co in San Francisco. Prior to Oppenheimer, Lim held several positions in healthcare investment banking with Lazard. Lim will be located in the company’s San Francisco office and report to Jason Fertig, Managing Director and Head of Healthcare Investment Banking.

Forefront Communications Group, a boutique marketing and PR firm focused on the capital markets and fintech, added Michael Kingsley as a Senior Vice President. Kingsley joins the firm with over 20 years’ experience in global public relations, journalism and media production. His public relations background includes time on both the client and agency sides. On the client side, Michael served as Head of Media Relations for Convergex, a global brokerage and trading services firm. His agency experience includes tenures at both Intermarket Communications and Emanate PR.

Misys appointed Natalie Gammon as the company’s new CIO. Gammon takes responsibility for managing Misys global infrastructure and technology operations, including all business applications and support services, as well as the company’s data centers and overall information security. A veteran with more than 20 years’ experience, was the Group CIO at FNZ and, prior to that, Global Head of IT Planning at Deutsche Bank.

Scott Daspin, formerly of Apex Clearing, has rejoined Triad Securities. At Triad, he will focus initially on growing the firm’s institutional client base -hedge funds, family offices, and registered investment advisors. Daspin will alsso be charged with expanding the company’s prime brokerage business, which targets the underserved manager with less than $100 million in AUM and it’s new issue service.

According to reports, Jose Marques, head of trading at Bridgewater Associates, the world’s largest hedge fund, is in the process of leaving the firm. Meanwhile, Jeff Wecker, head of front office transformation, has left, according to people familiar with the matter. Bridgewater has identified replacements for Marques and Wecker, according to one person. The people asked not to be identified because they did not want to be named publicly.

Bank of America Merrill Lynch has parted ways with its London-based co-head of principal investments Adam Battersby, a long-time backer of new trading venues including Chi-X Europe and more recently, the LSE’s CurveGlobal. Battersby, who was the US investment bank’s London-based co-head of global principal investments at Bank of America Merrill Lynch for more than a decade, left that post late last month, according to sources.

As first reported in The Australian, stock exchange Chi-X Australia is on the hunt for a new chief executive officer after the departure of John Fildes. In an internal memo to staff, chairman David Morgan said Mr Fildes had “stepped down” as CEO and a search was underway to find a successor, ending his tenure that began in April 2013. Former CEO Peter Fowler would act as CEO on an interim basis. Joe Meyer, chief financial officer of Chi-X Asia Pacific Holdings, will be “devoting more time” to the business during the CEO search.

Northern Trust’s top equity strategist has left the firm after less than a year in his role. Patrick Groenendijk, global head of equity strategy, left the Chicago-based asset manager on March 31, according to a person with knowledge of the matter. A Northern Trust spokesman confirmed the departure, saying the firm hasn’t found a replacement.

The head of execution at Troy Asset Management has departed the firm after almost four years, according to someone familiar with the matter. A spokesperson confirmed James Cooper resigned from his position although a replacement is yet to be found. Cooper began working at Troy Asset Management in September 2013 and was responsible for multi-asset trading, fund operations and performance of four teams.

OCC, the equity derivatives clearing organization, hired David Ridgway, a former senior risk management executive with BNY Mellon, as Senior Vice President, Enterprise Risk Management. He served at served at BNY Mellon for 4 ½ years, most recently as North America Head of Risk, Investment Management. Prior to BNY Mellon, Ridgway was the interim head of corporate and operational risk for Threadneedle Investments from April to September 2013. Earlier, Ridgway was global head of operational risk for BlackRock in New York from November 2009 to March 2013. Ridgway reports to John Fennell, Executive Vice President and Chief Risk Officer.