Popular social media trainer, travel writer and business development specialist Mindie Burgoyne will be the featured speaker at the Dorchester Chamber of Commerce’s monthly business meeting on Thursday, March 13, Noon-1:30 at the Holiday Inn Express in Cambridge. The registration fee, including lunch, is $20 for Chamber members and $25 for non-members. Burgoyne’s presentation includes an overview of social media tools and discussion of new (digital) media marketing trends. With a background in marketing and small business ownership, the economic development specialist is a sought after speaker well known for her engaging workshops and practical advice. Register by e-mail at Robin@DorchesterChamber.org or call 410-228-3575.