Mandy Drendel joined the Cornerstone Illinois team as a vice president in January 2021. She is an attorney and registered lobbyist with experience advocating on behalf of clients before the Illinois General Assembly and Executive Branch. As a contract lobbyist, Mandy's worked on behalf of industries including telecommunications, energy, gaming, healthcare, insurance, education and cannabis.

Prior to joining Cornerstone, she served as senior legal counsel in the Illinois Senate President's office where she worked on telecommunications, insurance, tax, and pension issues. During her tenure, Mandy helped lead major legislative initiatives including a telecommunications rewrite, small cell wireless deployment, major insurance legislations, revenue packages, property tax relief and pension reform.

Before that, Mandy served on the Senate Democratic legal team, and acted as the caucus's key regulatory and administrative rule specialist where she staffed the General Assembly's administrative rulemaking committee. This experience provided her direct access and insight into the regulatory arm of Illinois state government.

Mandy received a Juris Doctorate from the Loyola University Chicago School of Law and a Bachelor of Arts degree from Washington University in St. Louis, Missouri.