David Castagnetti
Mehlman Castagnetti Rosen & Thomas
Who they are.
Co-founder of Mehlman Castagnetti, one of the most successful bipartisan lobby shops in Washington. Former senior aide to Senator Max Baucus on the Senate Finance Committee and to Senator John Kerry's 2004 presidential campaign. The firm has consistently ranked in the top 15 of federal lobbying revenue since its 2009 founding.
The clients.
Gov to K Street.
Pattern: senior government role → private lobbying / advisory work that touches the same policy area. See The Revolving Door for the full pattern across every tracked lobbyist.
Sources.
Questions about David Castagnetti.
What is Mehlman Castagnetti?
Mehlman Castagnetti Rosen & Thomas is a DC bipartisan lobbying firm co-founded by Republican Bruce Mehlman and Democrat David Castagnetti in 2009. Its bipartisan structure — pairing high-profile operatives from both parties — has made it a destination for Fortune 500 clients navigating divided government.
Who is David Castagnetti?
Castagnetti is a Democratic operative and lobbyist, the co-founder of Mehlman Castagnetti. He spent years as a senior aide to Senator Max Baucus on the Senate Finance Committee and as a top adviser to John Kerry's 2004 presidential campaign before moving to K Street.
Who are Mehlman Castagnetti's biggest clients?
Recent LD-2 filings list Amazon, AT&T, the American Bankers Association, and a long roster of healthcare and tech clients. Year-by-year client lists are public via the Senate Office of Public Records.