This Sunday, August 4, Union Chapel in Oak Bluffs presents Dr. John Silvanus Wilson Jr., president of Morehouse College in Atlanta, Ga., as its visiting speaker.

A scholar, an educator, a consultant, a strategist and a fundraiser, Dr. Wilson became the 11th president of Morehouse College in January of this year. This spring he hosted President Obama as the Morehouse commencement speaker.

The service begins at 10 a.m. with an organ prelude at 9:40 a.m.

The chapel is located at the end of Circuit avenue, at the intersection of Kennebec and Narragansett avenues.