Mary Williams serves as Head of People for Pinnacle Advertising. Mary is an experienced HR Leader dedicated to developing and implementing well-organized processes and has extensive experience as an HR Department of One creating structure within an organization. She strives to set others up for success and throws kindness around like confetti.

Mary holds her Senior Professional Human Resources (SPHR) certification from HRCI. Named to The Most Influential HR Influencer List featuring the top 150 HR leaders and winner of the 2021 HR Unite! Community Catalyst Award, and a member of the SHRM National Blogger/Influencer team annually from 2018 through present, Mary enjoys giving back to the HR Community. She is an active participant in HR Unite, HR HotSeat, and the HRA Oakbrook local SHRM chapter. Mary is also an avid Chicago Bears fan and attended training camp in Bourbonnais every year from 2000-2019 until the pandemic broke her streak.