One change that took place for the new commissions is the requirement that no person be on more than two commissions. This has opened up more commission slots for members, while allowing the exchange of expertise across committees.
The list of members for each committee is quite long (grab it from here if you are interested) but the Chairman and Secretary for each committee is:
Technical Commission: Dirk de Ridder (BEL), Secretary Andrzej Filipowicz (POL)
Rules and Tournament Regulations: Geurt Gijssen (NED), Secretary Stewart Reuben (ENG)
Swiss Pairings: Christian Krause (GER), Secretary Mikko Markkula (FIN)
Arbiters: Panagiotis Nikolopoulos (GRE), Secretary Dirk de Ridder (BEL)
Qualifications: Mikko Markkula (FIN), Secretary Nick Faulks (BER)
Womens Chess: Alexandra Kosteniuk (RUS) & Susan Polgar (USA), Secretary Martha Fierro (ECU)
Trainers: Adrian Mikhalchishin (SLO), Secretary Efstratios Grivas (GRE)
Medical: Jana Bellin (ENG), Secretary Arthur Schuering (NED)
Events: Ignatius Leong (SIN), Secretary Theodoros Tsorbatzoglou (GRE)
World Championship & Olympiad: Georgios Makropoulos (GRE)
Development: Alan Herbert (BAR), Secretary Rupert Jones (PNG)
Chess in Schools: Ali Nihat Yacizi (TUR), Secretary Kevin O'Connell (IRE)
From the Oceania region the following people are on the following commissions
Virgilio De Asa (FIJ) Development
Brian Jones (AUS) Development
Rupert Jones (PNG) Development
Shaun Press (PNG) Rules and Tournaments, Swiss Pairings