![]() |
| Hillary Herskowitz |
Mark Allen & Co. names Hillary Herskowitz, head of media and entertainment. Herskowitz has been a consultant for the agency since 2019. She previously served as a senior-level public relations consultant to Feld Entertainment productions, including Disney On Ice, Monster Trucks, and Ringling Bros. and Barnum Bailey Circus. She has also worked with such brands as Amazon, Live Nation, Sesame Workshop and Cirque du Soleil. In her new post, Herskowitz will lead the expansion of the agency’s media and entertainment division, as well as manage the day-to-day activities of a variety of Mark Allen & Co. clients. “Hillary has represented some of the world’s most recognized entertainment brands. She’s also an incredible leader and mentor and will be an immediate asset to our entire roster of clients,” said Mark Allen & Co. founder and CEO Mark Pasetsky.
![]() |
| Margaret Carpo |
Clarity appoints Margaret Carpo as VP, working out of the agency’s San Francisco office. Carpo joins Clarity from Engage PR, a tech-focused firm, where she was associate vice president. She has also worked for Next Fifteen agency Archetype (formerly Text 100). At Clarity, Carpo will serve as senior counsel to existing clients and develop new client relationships in enterprise tech, telecoms, security, health tech and other sectors. “Margaret brings a truly global perspective and huge dynamism and will be an important part of our leadership team, as we continue to scale,” said Clarity president, North America Jon Meakin.
![]() |
| Catherine Solazzo |
Syntax, a multi-cloud and mission-critical applications managed cloud provider, appoints former IBM marketing exec Catherine Solazzo as CMO. Solazzo was most recently SVP of marketing, Americas at IT services and consulting company TD SYNNEX. She was at IBM for over 16 years, holding a series of senior marketing posts, including vice president, IBM partner ecosystem marketing. At Syntax, Solazzo will work to help the company capitalize on its robust portfolio footprint and brand equity globally. “Catherine has a track record of delivering high-yielding marketing programs in collaboration with partners across the ecosystems,” said Syntax global CEO Christian Primeau.




Nick Mammano, who was president/CEO of the New Jersey Sports and Exposition Authority, has rejoined Mercury Public Affairs as a managing director in its Saddle Brook office.
Seven Letter hires Allie Raffa, who was most recently White House correspondent for NBC News, as a senior director... Points of Light, an organization founded by President George H.W. Bush that is dedicated to volunteer service, names Jeff Zanelli as CMO... Frontieras North America, an energy and environmental technology company, appoints Nora Shepard as VP of communications.
Alcoa has named Emily Olson, who has more than 20 years of experience working in capital-intensive industries in the Americas, Europe and Asia, EVP & chief external affairs officer, effective April 6.
Longacre Square Partners has named Humza Vanderman partner and head of its London outpost as the financial communications firm expands into Europe.
FGS Global adds former Pfizer EVP and chief corporate affairs officer Sally Susman to its global executive board as an independent member, effective April 1... Codeword brings on Kim Baffi, who was previously Salesforce VP and creative director, as executive creative director... Amperity, an AI-powered customer data cloud, appoints Bridget Perry as CMO.



