Cable vet Al Johnson joined Xtend Networks as vp, technology and advanced architectures. Johnson was Cablevision’s dir of tech (’88-’92) and was instrumental in the MSO’s exploration of optical architectures and digital compression. — Starz elevated Gery English to vp, marketing comm. — Frances Manfredi was named svp, general sales manager for cable & non-theatrical sales, NBC Uni Domestic TV Distribution. — Terayon poached Motorola’s Matt Aden, tapping him as svp, worldwide sales/customer service.