JOHN MASSONI has been named President of DornaUSA, LLC, a Van Wagner Communications Company. Massoni has been with Dorna since 1992 and previously served as Senior Vice President, managing the sales of company inventory to national advertisers.

STEVE STUCK has been upped to General Sales Manager of Univision 19 KUVS-TV. Stuck served as the National Sales Manager for KUVS from 1997, when Univision acquired KUVS in the Sacramento-Modesto-Stockton DMA, until March 2001.

TONY SHAW has been named Vice President of Marketing and Business Development at ConvenienTV. Prior to joining ConvenienTV, Shaw was Director of Global Marketing for Triton Systems Inc.

JOHN MAZURKIEWICZ has formed Mazmania Creative Services in Bayonne, NJ. He was the online marketing strategist at Viaduct.com in New York and online marketing specialist at VitaminShoppe.com in North Bergen, NJ.

KARL BALL has been named Key Account Sales Director at ConvenienTV. Ball comes from Ten Square where he represented the Ten Square gas pump display network to National Advertisers.

Every Wednesday, MediaPost brings you the scoop on who is doing what and where in the advertising media world. If you know of someone who has recently changed jobs in the advertising media field or would like to recommend a colleague for a MediaPost spotlight, please email us at people@mediapost.com HEADLINERS THIS WEEK: KARL BALL has been named Key Account Sales Director at ConvenienTV. Ball comes from Ten Square where he represented the Ten Square gas pump display network to National Advertisers. JOHN MAZURKIEWICZ has formed Mazmania Creative Services in Bayonne, NJ. He was the online marketing …

Sideshow Network Inc., an interactive marketing communication firm based in Tustin, has named LINDA ZIMMER as its new chief executive officer. Zimmer replaces former CEO Greg Young. She previously served as chief operations officer and will remain on the company's board of directors.

Steve Farella, CEO of Havas' Media Planning, has left the company after heading it for two years.

MICHAEL SPIESMAN, President of Continental Television Sales, has been named to the Hundred Plus Markets Television Committee of the National Association of Broadcasters (NAB).

EastWest Creative, a full-service promotion marketing agency, announced the appointments of SARAH O'LEARY as Vice President, Strategic Development and CHRISTOPHER BRAGAS as Chief Financial Officer and Chief Operating Officer. O'Leary was most recently with The Regan Group, as vice president of marketing, while Bragas had been at Don Jagoda Associates, where he developed the Dilbert Zone and launched AT&T’s WorldNet Service. Also at EastWest Creative, ROD GONZALEZ was appointed senior creative director. Prior to EastWest Creative, Gonzalez was a VP Group Creative Director at The Guild Group. ED CATTO was named group account director at EastWest. He most recently served …