People: Citadel and Brevan snag banks’ top traders, and more

Latest job changes across the industry

Nikhil Choraria has joined Citadel Securities as co-head of fixed income, alongside Shyam Rajan. Choraria is the former head of European rates trading at Goldman Sachs, where he had worked for more than two decades.

He will report to the firm’s chief executive officer, Peng Zhao. 

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Senior macro portfolio manager Ankur Dhingra has left Balyasny Asset Management, as reported by Risk.net.

Dhingra joined Balyasny in July 2023, after 13 years at JP Morgan, most recently as co-head of FX options trading in Singapore. He left the hedge fund on March 16, according to the Financial Conduct Authority register. 

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Douglas Cypel

Brevan Howard has hired former UBS head of EUR and GBP linear rates trading, Jonas Klink, after reports of a bidding war. Klink was with the Swiss bank for over three years, prior to which, he held senior trading roles at Citi, Barclays and Santander, among others.

The hedge fund has also recruited Douglas Cypel, Citi’s head of G3 inflation trading. Cypel joined Citi in 2020, according to his LinkedIn bio, having previously been an inflation trader at Crédit Agricole CIB for eight years. Citi was the Risk Awards 2026 inflation derivatives house of the year.

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Morgan Stanley has cut four London-based foreign exchange salespeople and traders, who were covering real money clients, as reported by Risk.net. 

Among those departing are Tyler Hambleton and Georgina Hingley, two executive directors for UK real money FX sales, Mark Vaillant, an executive director in emerging markets rates and FX sales for real money and hedge fund clients, and Nayab Khan, a director for non-deliverable forwards and emerging markets trading.

Hambleton joined Morgan Stanley in 2023, following a decade-long spell at Credit Suisse. Hingley joined from Credit Suisse in 2017. Vaillant joined in 2021, after six years at Goldman Sachs, and Khan in 2023, after a decade at Goldman. 

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UBS has hired Anthony Maylath as US head of its quantitative investment strategies (QIS) team. 

Maylath was most recently a quant research vice-president in equities and QIS at JP Morgan, according to his LinkedIn profile. He previously worked for Societe Generale and Bank of America Merrill Lynch.

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Amit Deshpande has joined Vanguard as global head of quantitative fixed income research from T Rowe Price, where he was most recently head of quantitative fixed income, having been with the firm for more than eight years. He previously served as global head of investment risk at Charles Schwab and was earlier with AllianceBernstein for more than 12 years.

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Millennium Management has hired Goldman Sachs’ co-head of equities Erdit Hoxha. Hoxha joins the firm’s office of the chief investment officer, the Financial Times reports. 

Hoxha joined Goldman Sachs in 2004, according to his LinkedIn profile, and was a partner at the firm.

The fund giant has also hired quantitative researcher Samuel Krasnik, who had been on a two-year non-compete break since leaving his role as quantitative research lead at Citadel, according to his LinkedIn profile – a role he held from 2021 to 2024. He was previously head of franchise analytics, strategy and technology in global markets at Goldman Sachs, where he worked for more than 11 years.

Millennium declined to comment.

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Santander has appointed Mahesh Aditya chief executive officer of Santander UK, effective March 1. He replaces Mike Regnier, who stepped down in October last year. 

Aditya joined Santander in 2017 and has held several executive roles, most recently as group chief risk officer, and previously as CEO of Santander Consumer USA Holdings, in addition to serving on the Santander UK board. In his new role, Aditya will oversee the integration of TSB, once the acquisition – announced in July 2025 – is complete.

Pedro Castro e Almeida, who has been CEO of Santander Portugal since 2019, replaces Aditya in the group CRO role. He joined the group in 1993 and also served as group regional head of Europe from 2023 to 2025.

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Thai Nguyet Minh

Citi has named Thai Nguyet Minh as head of markets and country treasurer for Vietnam, reporting to Sue Lee, head of markets for Asia South. She replaces Minh Ngo in the role, who was recently appointed Citi country officer and banking head for Vietnam.

Minh Thai’s most recent roles include head of global markets Vietnam at Maybank and head of global macro sales for Vietnam at BNP Paribas.

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Nathan Ondyak

Post-trade services provider Osttra has hired Nathan Ondyak as chief commercial officer, as reported by Risk.net. Ondyak is one of four senior hires from London Stock Exchange Group’s post-trade unit, made amid growing competition between the two firms for post-trade services.

Ondyak spent 14 years at LSEG, where he was most recently chief executive for post-trade services and global head of SwapAgent. He previously held senior product and sales management positions at Markit – a part of Osttra. 

The post-trade firm has also hired Peter Altero as chief business development officer, Chris Licini as buy-side strategic relationship manager and Christian Kjaeldgaard as product design director. All three join from LSEG’s post-trade unit.

Ondyak headed the TradeAgent and SwapAgent businesses, Altero was North America head of TradeAgent, SwapAgent and Quantile.

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William Quan

MarketAxess has named William Quan as chief technology officer. 

Quan will join the executive committee, reporting to Dean Berry, group chief operating officer and chief executive officer for Europe, the Middle East and Africa and Asia-Pacific.

Most recently, Quan served as chief technology officer of Fleete Group, a Macquarie Asset Management portfolio company. He previously spent more than a decade at JP Morgan and Deutsche Bank leading electronic trading, AI and digital platform initiatives across global markets and latterly at Amazon Web Services. 

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Daniel Sako

Hermes Intelligence, an alternative data provider, has announced the appointment of Daniel Sako as chief executive officer. Sako previously worked in alternative data at Man Group and Balyasny Asset Management, where he built data products contributing directly to portfolio managers’ P&L. 

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Axel van Nederveen, treasurer of the European Bank for Reconstruction and Development, has retired after 30 years at the bank, including 20 years as head treasurer, as reported by Risk.net. 

Axel van Nederveen

Felix Green took up the role on March 23, joining from First Abu Dhabi Bank where he was group treasurer. 

Van Nederveen joined the supranational in May 1995 as a portfolio manager. He held roles in head of asset-liability management and as deputy treasurer before becoming head treasurer in 2004. He also served on the board of directors of the International Swaps and Derivatives Association from 2016. 

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The Basel Committee on Banking Supervision has appointed Ben Gully as secretary general, effective August 14. He succeeds Neil Esho, who has served in the role since February 2022, and is set to retire on March 31.  The appointment is for a term of three years.

In the interim, deputy secretary general Toshio Tsuiki will serve as acting secretary general. The role manages the operations of the secretariat and assists the chair in representing the committee externally.

Gully is currently deputy superintendent at OSFI in Canada, where he manages supervision and serves as the supervisor’s representative to the Basel Committee. He is also co-chair of Basel’s supervisory co-operation group and has served on several working groups at the Financial Stability Board. 

He has more than 25 years’ experience in bank regulation and supervision on three continents: he was previously the Australian Prudential Regulation Authority’s chief risk officer and began his career as an analyst in the Bank of England’s financial stability area.

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The Securities and Exchange Commission has announced that Margaret ‘Meg’ Ryan has resigned from her role as director of the division of enforcement, to which she was appointed last year. Principal deputy director Sam Waldon was named acting director of the division, effective March 16, 2026. The SEC said it is expected to announce a permanent successor in the coming weeks. 

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Jessica Harris has returned to the Commodity Futures Trading Commission as chief data officer. With 25 years’ experience in surveillance, market conduct, data standards and financial regulation, Harris previously held roles at both the CFTC and the National Futures Association. 

The CFTC also named Marc Sielski as executive director. Sielski will oversee the Commission’s administrative operations to support mission execution and ensure effective stewardship of public resources.

He replaces acting executive director John Einstman, who will continue serving the CFTC in a new role.

Meanwhile, the regulator also announced the departure of Brigitte Weyls, senior adviser, after more than 17 years of service. During her tenure, Weyls held roles in the divisions of enforcement and market oversight, and the office of the general counsel.

Weyls later served as chief counsel to Caroline Pham during her role as commissioner and as senior counsel to her as acting chairman. She also served as the designated federal officer for the Global Markets Advisory Committee and the Agricultural Advisory Committee.

Additional reporting by Helen Bartholomew, Joe Parsons and Rebekah Tunstead

Editing by Louise Marshall