Patricia Munoz

Ms. Munoz started working as a caseworker for the Illinois Department of Human Services in 1986. In her 30 years at the agency, Ms. Munoz graduated to a senior manager responsible for managing public assistance offices throughout Cook County and beyond.

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Yehiel Kalish

Rabbi Yehiel M. Kalish has been advising nonprofit organizations, healthcare facilities, educational entities, and financial service companies on government affairs — and helping them raise capital — for more than a dozen years. Before co-founding the S4 Group, Rabbi Kalish served as both Vice President and National Director of Government Affairs of Agudath Israel of…

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Liam Harding

Liam Harding joined S4 in 2015 as a Government Affairs Associate. Liam assists S4’s staff and clients with legislative research and administrative services from the Chicago office. Prior to joining S4, Liam served as a District Intern at the Office of Congresswoman Jan Schakowsky in Chicago. There, Liam helped hundreds of constituents navigate through federal agencies, with a…

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Melissa Schakowsky

Melissa Schakowsky joined S4 in 2014 and serves as the Director of Government Affairs in the Chicago office. In this role, Melissa services clients in a variety of industries including healthcare and education. In addition to conducting extensive legislative research and preparing meeting materials, she connects clients with the government officials who can help them…

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J.J. Rabinowich

JJ Rabinowich joined the S4 Group at its inception in 2014 as the Chief Operating Officer. Working closely with the President and the CEO, JJ is responsible for making sure that S4 delivers the ideal outcomes for clients. He spends time with all new clients during the on- boarding process and throughout their representation by…

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Jack Feiler

President Jack, a business development specialist, has enabled others to advance their businesses through successful sales and marketing strategies. Jack has experience in all facets of healthcare, including nursing homes, pharmaceutical companies, insurance companies and other related organizations. Jack has developed relationships with the leaders of many different industries, and possesses deep policy knowledge on…

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Mark Kalish

Chairman & Chief Executive Officer Having served Agudath Israel of America (AIA) for more than a decade, Mark Kalish spearheaded the unprecedented expansion of AIA into 27 states, bringing its operations from $5000 to $3M in less than five years.  His strong relationships and fundraising abilities attracted tens of millions of dollars in state and…

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