Former President & Chief Operating Officer at AT&T Corp. (Inactive)
Relationship Science aggregates deep and verified information on over 8 million influential decision makers and the over 1.7 million organizations with which they are associated. From this data, we create a "business social graph" that highlights who knows whom. Here are William J. Hannigan's strongest connections.
People most closely connected to William J. Hannigan
Click the names below to expand relationship details.
1,296 more connections are available with a RelSci Professional subscription