Grant Thornton announces new leader for its Chicago headquarters

CHICAGO--(BUSINESS WIRE)--Grant Thornton LLP, one of America’s largest providers of audit and assurance, tax and advisory services, has announced a new leader for the Chicago market. Arla Lach, an Audit and Assurance partner who has been with Grant Thornton nearly 25 years, will succeed Mark Sullivan. Sullivan is retiring after a successful, decades-long career, including more than 14 years with the firm. Lach and Sullivan are working closely to ensure a seamless transition, and Lach’s term as