Willis Group Holdings has appointed Seth Peller as CEO of Willis Argentina, effective immediately.

Based in Willis’ Buenos Aires office, Peller will lead Willis Argentina, an insurance broker, with 120 employees.

He joined Willis in 1992 and was most recently was the Group’s regional placement officer for Latin America operating out of Sao Paulo, Brazil, a position he held since 2008.

Before that Peller was an executive director in Willis’ North American Casualty business in London where he worked for 12 years on insurance program design and placement of Excess Casualty risks for a large cross-section of US industry.

Willis established a presence in Argentina in 1999 through a joint venture with Herzfeld & Levy, a national insurance broker, to become Herzfeld Willis, and also set up a reinsurance brokerage, Willis SA, with two private investors.

Willis International chairman Sarah Turvill said Seth’s appointment comes at a time of considerable growth in the Argentinean business in areas like Employee Benefits, Agriculture and Affinity.