Trafficmac has named R. MICHAEL LEO as its CEO. Leo was the co-founder of Avenue A, a digital marketing company. He was also an executive vice president at Hotbar.com, a provider of targeted Internet advertising via an active user interface. Prior to that, he was president of L90's technology group.

Interep announced that GAILYA SILHAN has joined the company as vice president/director of marketing for the Interep Innovations advertising solutions group. Silhan joins Interep from Clear Channel in Los Angeles, where she was account manager.

Entone Technologies, a global provider of on-demand technology solutions, announced the appointment of IAN JEFFERSON as vice president of sales. Prior to joining Entone, Jefferson held senior sales positions at NYNEX, DIVA, and Terayon.

DAVID J. MOORE, chairman and CEO of 24/7 Real Media, has joined the Board of Aptas, Inc., an applications company serving publishers and directories in the local search market. In 1995 he co-founded Petry Interactive, which by 1998 became 24/7 Media.

TIM KOORBUSCH has been appointed New York sales manager at Sunset, magazine. Koorbusch joins Sunset from Fortune, where he was an account executive as well as New York sales manager for Fortune Small Business. In his new position, Koorbusch will oversee all aspects of the New York sales force.

At Deutsch New York, SOPHIA SOUSSAN has joined the agency as senior vice president, customer and data strategy; and KWONG SAI has joined as vice president, customer and data strategy. In addition, STEPHEN MURPHY has been elevated from vice president, customer and data strategy to senior vice president, customer and data strategy. Soussan was most recently vice president, customer acquisition and retention at Register.com; Kwong had most recently been director of consumer insights at Avenue A; and Murphy joined Deutsch in 2003 and had previously been director of database marketing at Modem Media where he was responsible for tracking and …

ALICIA ZIEGLER (left) has joined Draft Chicago as senior vice president, group account director, while MARGOT BOGUE (right) has joined as vice president, strategic director. Ziegler helps oversee the recently added MilkPEP account as well as Kellogg’s. Bogue will help clients - like MilkPEP and Kellogg’s - identify trends that affect consumer-purchasing habits. Her primary focus will be on retail and promotions strategy.

ROBIN STEINBERG has joined MediaVest as vice president, director of print services to lead and grow the newly formed print services unit based in New York. Steinberg is charged with developing strategically based, tailored print media programs for MediaVest clients. This print dedicated unit, expected to be fully operational by June, will be servicing both existing and prospective MediaVest clients. Most recently, Steinberg was VP, director of Pfizer print services of Carat USA.

The Audit Bureau of Circulations' board of directors has voted unanimously to elect ROBERT TROUTBECK, president of Troutbeck Chernoff in Toronto, Ontario, to succeed retiring chairman MICHAEL BROWNER. Troutbeck will serve the remainder of Browner's one-year term and become eligible for re-election at the November 2004 board meeting.

Forbes.com announced today that TODD BENEDICT has joined the company as regional sales manager in the New York office, responsible for accounts in New York, New Jersey and Pennsylvania. Benedict joins Forbes.com from TheStreet.com where he was most recently regional director, advertising sales. Previously he was account manager at the WSJ.com.