Sean Lin, manager of distribution business and end user sales at 89 North, has been promoted to director of sales at the Burlington-based optical engineering design and manufacturing firm.

“We’re very excited to promote Sean to this expanded role,” said Vice President Julie Martin. “His experience is a valued asset for our organization and our growth, as he leverages over 20 years of service in the biomedical and industrial microscopy industry.”

The Lake Champlain Chamber has hired two new staff members, Hannah King and Tom Remp, to further the organization's mission of providing economic opportunity for all Vermonters.