Troika Dialog has boosted its fixed income, currencies and commodities, and derivatives sales department with four new hires. Sergey Yablonskiy joins the domestic credit and CIS sales desk in Moscow from Bank Petrocommerce where he was deputy director of sales and trading; Daria Tereschenko joins the fixed income sales department in Kiev from NRG Capital where she was a fixed income sales trader; Jeffrey Weichsel joins the fixed income sales department in New York from Alforma Capital Markets where he was vice president, fixed income sales and trading; and Jean-Paul Larcheveque will join the London equity derivatives sales team on June 20 from Credit Suisse where he worked in a similar role.