Six months ahead of his scheduled departure from the top post at ACS e-Services, Patrick Casserly has quit.

Citing health reasons, Casserly told the Business Observer that he would give his 30 days notice but said he and the firm, which he formed in 2000 and which he sold to Affiliated Computer Services (ACS) in 2009, would depart on amicable terms.

No replacement has yet been identified bu Casserly assured the firm would remain on firm footing.

Last year the Fortune 500, US-company, ACS acquired e-Services for US$85 million thus gaining an additonal 4,000 workers and keeping Casserly on as its managing director.

Casserly started e-Services back in 2000 and in less than nine years it became the largest outsourcing centre in the region., processing over 30 million transactions annually. Headquartered in Montego Bay, e-Services expanded into Portmore and Kingston and ventured outside of Jamaica setting up operations in St. Lucia. Among its clients are Delta Airlines and National Bank of Houston.