Overseeing the advisory and operating committees is the Executive Committee. The Executive Committee advises the Officers and Board of Trustees as to desirable projects for implementation; evaluates the progress and effectiveness of the operating committees; and is comprised of the Trustees, the President, chairpersons of the operating committees, and select ad hoc members as desired.

Gregory Osko is the founder and chairman of the Trust Company of Illinois and the administrative trustee of the Brooks Institute Trust.

Mr. Osko brings more than 40 years of experience serving the financial needs of families to his role at the Brooks Institute.

Kristen Stilt is a Professor of Law at Harvard Law School.  She also serves as Faculty Director of the Animal Law & Policy Program, Director of the Islamic Legal Studies Program, and is a Deputy Dean.  Stilt was named a Carnegie Scholar for her work on Constitutional Islam, and in 2013 she was awarded a John Simon Guggenheim Memorial Foundation Fellowship.  Her research focuses on animal law, and in particular the intersection of animal law and religious law; Islamic law and society; and comparative constitutional law.

Timothy Midura is a licensed attorney and registered certified public accountant who brings more than 25 years of accounting and legal expertise to his role at the Brooks Institute.

He has served on a number of boards of non-profit organizations, on the estate and gift tax planning committee of the Illinois CPA Society, and as director of the Chicago Council on Planned Giving.

Justin F. Marceau is Professor of Law and the Animal Legal Defense Fund Professor.

Prior to coming to the University of Denver Law School, Marceau was an assistant federal public defender specializing in capital habeas and a law clerk for the Ninth Circuit Court of Appeals. Before law school he spent a year living and working in Cairo, Egypt.

Stephen Wells is the executive director of the Animal Legal Defense Fund and Chairman of the Animal Agriculture Committee of the Brooks Institute. He has committed himself to animal and environmental protection and over the years, in addition to his full-time work, he has continued to volunteer his time for local organizations and projects.