John H. Cierski was born in 1967 and is a lifetime Long Islander. He graduated from Stony Brook University in 1990 with a focus on Biology and Psychology. John still has close ties with the Stony Brook Alumni, Athletics, and the Science departments.   John is registered as a series 7, 8, 63, and 65, and is also licensed in both Health and Life Insurance.  At Madison Global, John manages client portfolios for individuals, families, and institutional clients as well as managing investments for Madison’s Israeli clientele. John is also a part of the Investment banking team at Madison Global, with a focus on Consumer, Medical, and Media sectors. John has vast relationships with the Private Equity and Venture Capital community. John is married with 3 children and enjoys, golf, skiing, and anything guitar.

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