Vaughn Johnson succeeds Len Calabrese as One South Euclid president Updated Mar 14, 2021; Posted Mar 14, 2021 Vaughn Johnson is the new president of South Euclid's community development corporation One South Euclid. During the past year, the nonprofit, formed in 2009, has stepped forward to help small businesses and residents get through the pandemic. (Photo Courtesy of One South Euclid) Facebook Share SOUTH EUCLID, Ohio -- Vaughn Johnson is the new president of One South Euclid, the nonprofit community development corporation that promotes the city socially, economically and culturally. Johnson, who had been the organization’s vice president, takes over for Len Calabrese, who served one year as president and will remain a member of the One South Euclid Board.