All lobbying filings

THE DUBERSTEIN GROUP INC.

Lobbying for DTE ENERGY COMPANY · Diversified Energy Company.

Filing Registration

Reporting period

4th Quarter 2025

Oct 1 - Dec 31 · Posted Dec 4, 2025

Money reported

None

Registrations and no-activity reports carry no figure.

Client based in

Michigan

Official filing document

Lobbyists on this filing 5

SAMUEL SCALES New on this filing

Previously held: Senior Advisor, USTR (2025); Deputy Assistant, USTR (2019-2020); Coalitions Director, House Natural Resources (2015-2016)
ELIZABETH KELLEY New on this filing

Previously held: WH:Obama:Natl Ecnmc Cncl:Spec Asst Preesident&CofS WH:Obama:Exec Ofc-President TRD Rep:Asst US TRD Rep for Private Sector Engagement Sen John Walsh CofS Sen Max Baucus:Deputy CofS/Political Dir Rep.Earl Blumenauer:Exec Asst&Deputy Press Sec
BENJAMIN R HOWARD New on this filing

Previously held: Deputy Asst POTUS WH Leg.Afrs12/18-2/20 Deputy Dir.WH Leg.Afrs12/18-2/20 Dir Floor Ops,US House1/18-12/18 Special Asst,POTUS WH Leg.Affairs1/17-12/17 Floor Asst,US House1/11-8/14 Staff Asst,House Rep.Conf2/09-12/10 Staff Asst WH Leg Afrs6/08-1/09
DAVID J SCHIAPPA New on this filing

Previously held: 2001- 8/4/2013 - US Senate--Secretary for the Majority/Secretary for the Minority
KATHERINE WINKLER KEATING New on this filing

Previously held: Chief of Staff to Rep. Joseph Crowley, House Democratic Caucus (5/2007-12/2018) Staffer, Labor-HHS-Education Appropriations Subcommittee (1/2005-4/2007) Legislative Director to Rep. Allyson Schwartz, Ways and Means Committee (9/99-12/04)

A "covered position" is a government job the lobbyist held in the 20 years before registering, which the law requires them to name. See the revolving door for former members of Congress across all filings.

Lobbying activity 3

Energy/Nuclear

Issues related to energy, renewable natural gas, and tax credits.

Environment/Superfund

Issues related to energy, renewable natural gas, and tax credits.

Taxation/Internal Revenue Code

Issues related to energy, renewable natural gas, and tax credits.

Source: federal Lobbying Disclosure Act filing, reproduced as filed. Bills are parsed from the activity descriptions.