Marcellus Alexander, NAB exec. vp-TV, named pres. of the NAB Educ...

Marcellus Alexander, NAB exec. vp-TV, named pres. of the NAB Education Foundation… Patti Hart, ex-Excite@Home, named Chmn.-CEO of Pinnacle Systems… Connie Correll-Partoyan, senior advisor to Commerce Dept. Undersecy. Phil Bond, to join Preston Gates as govt. affairs counselor… Michael Pfau, partner at law firm Reicker, Clough, Pfau and Pyle, named to TMC Communications board… David Wilson,Ex-Triumph Communications, appointed CFO, Alaska Communications, replacing Kevin Hemenway, who moves to senior vp-corporate projects.