Syd Kessler a renowned advertising executive is an investor and mentor in new businesses. He and his wife, Ellen, are the author of The Perfect System of Parenting, also published ...vizualizați mai multeSyd Kessler a renowned advertising executive is an investor and mentor in new businesses. He and his wife, Ellen, are the author of The Perfect System of Parenting, also published by BPS Books.vizualizați mai puține