Madeleine's BioMadeleine Cantrel Diakiwski serves as Cornerstone's chief marketing officer. Madeleine is responsible for the design and implementation of the company’s business development and marketing activities across its four business lines of federal government relations, state government relations, public affairs and business advisory services.
Since joining the firm in 2012, Madeleine has held multiple roles, including state government relations coordinator where she assisted in the operations, business development and client service activities of the firm’s state offices. Before coming to Cornerstone, Madeleine completed internships with the Glover Park Group and the National Institutes of Health.
Madeleine is a board member of the Christ Child Society-DC Chapter and chair of the Don Bosco Cristo Rey School Junior Board. She earned her bachelor’s degree in strategic communication from Miami University in Oxford, Ohio, and resides in Kensington, Maryland with her husband.