Shipping executive Teo Siong Seng took a leave of absence from his duties as SBF chairman after being accused in the United States of being part of a price-fixing cartel. His term ended on Wednesday. SINGAPORE: Businessman Mark Lee has been elected chairman of the Singapore Business Federation (SBF), taking over from shipping executive Teo Siong Seng at SBF's annual general meeting on Wednesday (Jun 24). Mr Teo took a leave of absence from his duties as SBF chairman in May after being accused