Board of Directors

David Steiner

Serving as D+R’s President and CEO, David Steiner leads the company’s efforts to grow business aligned with its strategic direction and vision. He learned the lessons and benefits of improving efficiency and reusing resources early in his career, and now seeks to spread the word that responsibility and sustainability are not just good for the environment, but also for businesses, organizations, families and life in general. Steiner envisions energy efficiency and data solutions that transcend the typical confines of business and ideology. Before becoming president of D+R, he served as program manager for the ENERGY STAR program, providing leadership for the team’s efforts to promote and qualify DOE’s list of products. Prior to joining D+R, Steiner was vice president of government affairs for Maytag Corp., where he had primary responsibility for federal, state, and international government relations. He was a leading advocate for the company’s energy- and water-efficiency efforts. Steiner earned his BA from Ashland University and his MBA at Case Western Reserve University.

Tara Rethore

As CEO of M. Beacon Enterprises, Tara Rethore knows what it takes to make strategy real. She works with organizations and leaders to develop business strategies and to break them down into the key actions that will overcome common roadblocks to successful execution. Both as an executive and as a consultant, Rethore has built models for strategic implementation that apply across a variety of industries, globally and in both mission-driven and for-profit contexts. Prior to founding M. Beacon Enterprises, she held executive leadership roles at Lafarge and Arthur D. Little. In addition to serving on D+R’s board of directors, she serves on the board of the Stuart Educational Foundation and previously on a Fairfax County School Board Advisory Council. She earned a MBA from the University of Chicago and an AB cum laude from Mount Holyoke College.

Joshua Izenberg

Joshua Izenberg has 20 years of experience as a corporate, finance and transactional attorney, including seven years at Baker & McKenzie LLP, the world’s largest international law firm, and 10 years advising boards of directors and senior management as a senior in-house attorney at startup, mid-market and Fortune 500 companies. Currently, Izenberg runs his own legal practice providing outside general counsel and M&A services to government services and technology businesses. Previously, he was the general counsel of the aerospace and defense businesses of Alliant Techsystems, prior to its merger with Orbital Sciences Corporation. Izenberg has co-founded two successful technology companies, Modus Create, an HTML5 development shop based in Reston, Va., and Off-World, an autonomous robotics company based in Pasadena, Calif. In addition to serving on D+R’s board of directors, he is a member of the board of directors of the Challenger Center for Space Science Education. He holds an MBA from Georgetown University, a BL (JD equivalent) from the University of Toronto Law School and a BS in Computer Science from McGill University.