Mitmark investigates crypto, Adrian Stones goes solo, and TRAG quits Hong Kong

Discreet succession crisis at risk management firm Sigma7 

From London to New York, the risk management and corporate intelligence firm is currently undergoing big changes at the top.

• SINGAPORE/NEW YORK - Stoneturn loses China-focused investigator

• LONDON - New firm linked to sports integrity pro Paul Beeby

• BRUSSELS - EU delegation to Pretoria boosts security

• LONDON - Dentons picks Adrian Stones
  

• WASHINGTON - Ergo brings in a Navy SEAL

• NEW YORK - Ex-Diligence directors reunite at Vantage

• LONDON - G3 adds muscle to asset-tracking team

• LONDON - Silverbridge poaches from the Met

• LONDON - Ex-Bellingcat manager Ostanin has another crack at corporate intelligence

• PARIS - Amarante establishes foothold in Belgian diplomacy in Africa

• PARIS - GEOS increases oil and gas security offering

• FRANCE - Baubigeat Zeller boosts sanctions management capacity

Amy Lashinsky and Ambrose Carey sell Alaco to US Risk Management group Sigma7 

Backed by Chicago private equity fund Growth Catalyst Partners, risk management veteran Andrew Hersh's new Sigma7 group is taking over the historic London-based corporate intelligence firm, founded 20 years ago.

• NEW YORK - Feldman to take over from Nardello in London.

• LONDON - Death knell sounds for Optima Defence & Security Group.

• AIX-EN-PROVENCE/ROME - Ilios International looks towards Italy.

• US - Sparacino without Veretus.

• PARIS - DRSD boss leaves for Sanofi.

• WASHINGTON - Ankura close to Biden administration.

• WASHINGTON - JS Held gets into crypto-investigation.
  

• LONDON - Alaco closes security practice.

• LONDON - Wallbrook loses ESG director.
  

• PARIS - Axiantis hires Egyptian major Middle Eastern contracts veteran.
  

• NEW YORK - Nardello seeks new London bureau chief
  

• LONDON - Adrian Stones quits Alaco
  

• NEW YORK - JS Held recruits from Kroll

• LONDON - The GPW deal in numbers

• WASHINGTON - Ex-US Air Force investigator sets up on his own