Summit Materials, Inc. has named three senior leadership positions poised to drive the strategic agenda of newly named CEO, Anne Noonan. Karli Anderson has been named Executive Vice President, Chief Environmental, Social & Governance Officer and Head of Investor Relations. In this new role for Summit, Ms. Anderson will have direct responsibility for advancing the company’s strategic aim to become the most socially responsible, integrated construction materials provider and support Summit’s leading governance principles. This role involves driving ESG initiatives and commitments across the business, oversight for the health and safety program, and serving as counsel to company investor relations and external reporting teams. In this role, Karli will act as a change agent, using data to shape and influence Summit’s performance, perception and awareness around environmental sustainability, social and governance topics. Succeeding Anne Lee Benedict as Executive Vice President, Chief Legal Officer and Secretary is Chris Gaskill. Mr. Gaskill most recently was the Senior Vice President, Deputy General Counsel and Assistant Secretary for Summit Materials since 2015. In the CLO role, Mr. Gaskill oversees all legal, corporate governance, enterprise risk management, compliance, litigation, regulatory, and outside counsel management. Deon MacMillan has also joined Summit Materials in the newly created role of Executive Vice President, Chief People Officer and Head of Corporate Communications. Before joining Summit, Deon served as Chief HR & Communications Officer for Ardent Mills. Ardent Mills is North America’s largest producer of flour and grain-based solutions. Deon is an experienced HR and Communications leader who has worked across all human resources functions including talent development, compensation and benefits, labor and employment relations, inclusion and diversity, and HR systems, shared services and operations.