Sheila Hershow is Senior Vice President with Nichols-Dezenhall.
According to biogropahical profile on the company website, she worked as a produce for Sam Donaldson's ABC's PrimeTime Live and 20/20 and "won an Emmy and other major awards for investigative and consumer reporting". 
"During her 29 years in journalism, she also worked as an on-camera investigative reporter for CNN and reported on Washington fraud, waste and abuse for National Public Radio and print. She investigated the bombing of PanAm 103 for a congressional subcommittee, exposing crucial security lapses," her biographical note states.
- "Senior staff, accessed November 22, 2003.