Madison Square Garden Co. hires Sean Creamer, ex-Arbitron, as...

Madison Square Garden Co. hires Sean Creamer, ex-Arbitron, as executive vice president-chief financial officer, effective Sept. 1; Bob Pollichino retiring from those jobs, remains CFO until Sept. 1 and an executive vice president until later this year … Microsoft hires Margaret Johnson, ex-Qualcomm, as executive vice president-business development … Returning to Crown Media is Tara Meyer, ex-Martha Stewart Living, as vice president-digital ad sales, new post.