Jacobs Engineering Group Inc. said on Nov. 23 that President and CEO Craig Martin will retire from the role and the firm, effective Dec. 26, for unspecified “health reasons.” The company declined to disclose further information. Jacobs named Chairman and former CEO Noel Watson as executive chairman until a permanent CEO is appointed. Martin, 65, has been CEO since 2006.

The firm also has named Kevin Berryman executive vice president and chief financial officer, effective on Jan. 5. He will succeed John Prosser, who will retire at year-end after 40 years with the firm. Berryman has been serving in similar roles since 2009 at International Flavors and Fragrances Inc., what Jacobs describes as a leading global creator of flavors and fragrances used in consumer products. He also is a 25-year corporate veteran of Nestlé, serving as CFO of its Nestlé Purina unit. Jacobs says Prosser was instrumental in Jacobs’ growth from $112 million in annual revenue to more than $12 bilion.