Dj gribbin—Founder

Madrus Founder DJ Gribbin brings with him decades of infrastructure experience representing governmental and private clients. He is a Senior Operating Partner with Stonepeak Infrastructure Partners and a former Brookings Institute Nonresident Senior Fellow. He recently served as the United States’ first Special Assistant to the President for Infrastructure, where he led the development of the Administration’s $1 trillion-dollar infrastructure plan. In this capacity, he worked with fellow senior administration officials as well as governors and mayors across the nation to develop a new vision for pairing federal, state, and local resources to efficiently meet infrastructure challenges.

Prior to his time in the White House, DJ was confirmed by the United States Senate to serve as the General Counsel for the United States Department of Transportation, where he was awarded the Department’s highest achievement, the USDOT Gold Medal. Before that, he was the Chief Council for the Federal Highway Administration. Both roles afforded him a unique understanding of the intricacies of Federal law as it pertains to transportation and infrastructure.

Within the private sector, DJ has been a leader in developing innovative strategies to finance infrastructure projects. He was the National Director for Strategic Consulting with HDR, where he advised clients on ways to expedite projects, increase revenue, and better visualize program oversight. Prior to that, he was the Managing Director and Head of Government Advisory at Macquarie Capital where he created and led their sell-side, private public partnership business within the United States.  He led advisory teams consisting of legal, technical, and financial experts to assist governments in attracting private equity investment in their infrastructure.

His depth of experience managing projects from a public sector perspective coupled with his extensive expertise in the private sector combine to provide Madrus with the resources and ability to explore more efficient ways to develop and deliver projects in a consumer-friendly manner.

DJ’s CV can be found here.

Abigail Gribbin — Project Coordination & Business Operations Manager

Abigail Gribbin is a seasoned professional with eight years of diverse experience in project management, research, and corporate real estate. A proud graduate of Virginia Tech, Abigail has honed her skills through hands-on experience and a commitment to excellence.

In her previous role as Leasing Project Manager at a corporate real estate company, she expertly managed leasing activities for over 20 buildings along the East Coast, demonstrating exceptional organizational and strategic planning skills. Currently serving as the Project Coordination & Business Operations Manager, she plays a pivotal role in ensuring seamless project execution and overseeing the day-to-day operations.

Beyond her desk, Abigail finds joy in the simple pleasures of life. A devoted parent, she enjoys baking with her two kids and embarking on adventures to explore the picturesque landscapes of Montana. With a passion for balancing professional success and personal fulfillment, she is a dedicated individual who is committed to making meaningful contributions in her field.

Isaac Lubben — Research Assistant

Isaac G. Lubben is currently pursuing his interest in law with a degree in Political Theory at Patrick Henry College (PHC), located in Northern Virginia. Joining Madrus in March 2023, Isaac leverages previous experience in research and communications to support and extend the firm’s objectives.

Aiming to foster a vibrant campus community, Isaac has had the privilege to compete in civic debate, support the school’s International Justice Mission chapter, and serve as co-editor-in-chief for PHC’s classical liberal arts journal. Additionally, Isaac actively seeks practical experience and has undertaken political and corporate internships and employment. Prior to attending PHC, he had the opportunity to cultivate his communication abilities, winning state and regional Lincoln Douglas debate championships and supporting a local congressional candidate’s campaign by delineating issue positions and communications.

Deeply committed to integrity and conscientiousness, Isaac maintains a keen interest in law and business and looks to keep abreast of industry trends to capitalize on his experience and make meaningful contributions to the field.