David Callam, the former Scottish rugby international, has rejoined trading firm Mako as a managing director after just over a year at HSBC.

Callam rejoined Mako, the London-based derivatives specialist, as a managing director of trading in January.

Callam confirmed the appointment when contacted by Global Investor.

He rejoins Mako Trading after 14 months at HSBC Global Banking and Markets where he was a London-based ETF sales trader.

Before joining HSBC in December 2018, Callam spent seven years as Mako Global’s head of business development and did a short stint in sales trading at spread-better ETX Capital.

Callam was previously a professional rugby player with Edinburgh Rugby from 2004 until the middle of 2010.

A No.8, he has 11 Scottish international caps, having played in the Six Nations tournament in 2007-2008 and the 2007 Rugby World Cup in France.

Callam became Scotland’s 999th international rugby player when he made his debut against Romania in November 2006.

A biomedical graduate from Newcastle University, Callam captained his school rugby team at Bedford School to an unbeaten season.

Mako, founded in 1999 through a management buy-out of London-based options trading firm Saratoga, launched Mako Financial Markets in (MFM) 2001.

Mako unveiled its algorithmic trading group in 2006 and currently handles equities, fixed income, commodities and foreign exchange derivatives from offices in London, Singapore and Sydney.

Quentin Baker, a fixed income and rates expert who has been with MFM since its foundation, became head of that business in 2019.

Trystan Morgan Schauer, who joined Mako in 2006, became chief executive of the trading firm in early February 2018, according to the FCA Register.

London-based trading and training firm OSTC hired in November government advisor Corey Smalley as its global head of strategy and change.