JRL Ventures, a division of Marine Concepts, announced several promotions and appointments.

Sidney Lanier was promoted to director of engineering and design. With more than 13 years at Marine Concepts, Lanier brings 24 years of experience in naval architecture and marine engineering to his new role, the company said.

He previously was director of new product design at JRL Ventures. He also has worked with Hydra-Sports Boats and Wellcraft Marine, among others.

Dan Locke, who joined JRL Ventures 14 years ago, was promoted to design manager in Cape Coral, Fla. Locke has more than 25 years in the marine industry, focusing on new product design and development.

Steve Swarts was promoted to design manager in Sarasota, Fla. With more than 25 years in the marine industry and 4 years with JRL Ventures, Swarts works with clients to develop creative designs that are ergonomically correct and buildable.

Jeff Chase was promoted to technical service manager. Chase previously was metrology supervisor at JRL Ventures. He brings experience in engineering management from Wellcraft Marine and Toyota Marine.