The Martha’s Vineyard NAACP and the Oyster Bar & Grill are presenting a series of four summer luncheons with guest speakers who have made successful careers in broadcasting entrepreneurship, in organizational management and human resources, in writing, and in medicine. Lunch and dialogue is open to all. The events are at 12:30 p.m. at the Oyster Bar & Grill at 57 Circuit avenue in Oak Bluffs. Cost is $30 per person per luncheon, to benefit the Island branch of the NAACP.

The speakers will be as follows:

Friday, August 8, is Skip Finley, a broadcaster since 1971. He has worked in radio sales, station management, network radio, and has been advisor to several broadcast related companies. A well-known entrepreneur in the radio industry, he has presided over stations in Omaha, Neb., Ogden-Salt Lake City, and Washington, D.C. He was chief executive and operating officer at American Urban Radio Networks until joining KBC Broadcasting Holdings as vice chairman in 2003.

Friday, August 15 ,is Yvonne R. Jackson, president of the Beecher-Jackson, a management and human resources consulting firm. She has worked in three Fortune 500 companies; serves as chairwoman of the board of trustees of Spelman College; serves on the Advisory Council for Price-Waterhouse; and is a recent appointee to the board of directors of Winn-Dixie.

Friday, August 22, is Sharon Robinson, author of the memoir Stealing Home (Harper Collins Publishers, 1996), her recounting of growing up in the public eye as the daughter of Jackie Robinson. She has written six other books. In addition to her writing career, Ms. Robinson is an educational consultant for Major League Baseball. She oversees school and community-based educational programs.

Friday, August 29, is Dr. Gregory Tignor and Dr. Ernest Hardaway. Dr. Tignor specialized in epidemiology of infectious diseases at John Hopkins. He joined the faculty of the department of epidemiology and public health at Yale School of Medicine, and later at Yale, he became deputy director of the Yale Arbovirus Research Unit supported by the Rockefeller Foundation. He retired after 34 years and is now professor emeritus, a Koerner fellow, and a member of the Connecticut Academy of Arts and Sciences.

Dr. Hardaway spent his career in dentistry and public health. He held the position of commissioner of public health, Washington, D.C. as regional director of two regions’ Federal Employee Occupational Health Programs, was on the staff of the Ways and Means Committee with the U.S. House of Representatives; and served on the chief financial officer committee of the U.S. Office of Management and Budget. He is currently retired.

Seats are limited. For tickets, call 508-696-5785.