Documented in an LDA filing dated Oct 20, 2025
Sourced institutional rolesLDA lobbying records
CHRISTOPHER ARMSTRONG TREANOR
CHRISTOPHER ARMSTRONG TREANOR appears as a registered lobbyist in federal Lobbying Disclosure Act records connected to organizations tracked by Paper Trail.
Data updated Nov 1, 2026
Source-backed chronology
Career Timeline
Documented in an LDA filing dated Jul 23, 2019
Registered lobbyist
Inspect source ↗Federal LDA filings
Lobbying Activity
MCKESSON CORPORATION3rd Quarter (July 1 - Sep 30) 2022
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Health Issues
Issues related to COVID medical response,; COVID-19 vaccine distribution,; and health disparities; S.1362 - Pharmacy and Medically Underserved Areas Enhancement Act; H.R. 7667, Food & Drug Amendments of 2022; S. 4348, the Food and Drug Administration Safety and Landmark Advancements (FDASLA) Act.
LDA filing ↗MCKESSON CORPORATION1st Quarter (Jan 1 - Mar 31) 2020
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Medicare/Medicaid
Issues related to Medicare Part D payments; matters related to response to COVID-19 outbreak/H.R. 748 - CARES Act.
LDA filing ↗MCKESSON CORPORATION3rd Quarter (July 1 - Sep 30) 2021
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Health Issues
Issues related to COVID medical response; COVID-19 vaccine distribution; and health disparities; S.1362 - Pharmacy and Medically Underserved Areas Enhancement Act.
LDA filing ↗MCKESSON CORPORATION3rd Quarter (July 1 - Sep 30) 2021
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Medicare/Medicaid
Issues related to Medicare Part D payments; matters related to response to COVID-19 outbreak/H.R. 748 - CARES Act; H.R. 6800 - Heroes Act, and COVID-19 vaccine distribution.
LDA filing ↗MCKESSON CORPORATION4th Quarter (Oct 1 - Dec 31) 2019
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Health Issues
Issues related to Medicare Part D payments.
LDA filing ↗MCKESSON CORPORATION2nd Quarter (Apr 1 - June 30) 2021
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Medicare/Medicaid
Issues related to Medicare Part D payments; matters related to response to COVID-19 outbreak/H.R. 748 - CARES Act; H.R. 6800 Heroes Act, and COVID-19 vaccine distribution.
LDA filing ↗MCKESSON CORPORATION4th Quarter (Oct 1 - Dec 31) 2019
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Pharmacy
Issues related to Medicare Part D payments.
LDA filing ↗MCKESSON CORPORATION1st Quarter (Jan 1 - Mar 31) 2021
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Health Issues
Issues related to Medicare Part D payments; matters related to response to COVID-19 outbreak/H.R. 748 - CARES Act; H.R. 6800 Heroes Act, H.R. 133 Coronavirus Response and Relief Act, health disparities, and COVID-19 vaccine distribution.
LDA filing ↗MCKESSON CORPORATION4th Quarter (Oct 1 - Dec 31) 2020
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Health Issues
Issues related to Medicare Part D payments; matters related to response to COVID-19 outbreak/H.R. 748 - CARES Act; H.R. 6800 Heroes Act, H.R. 133 Coronavirus Response and Relief Act, health disparities, and COVID-19 vaccine distribution.
LDA filing ↗MCKESSON CORPORATION2nd Quarter (Apr 1 - June 30) 2019
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Pharmacy
Issues related to Medicare Part D payments.
LDA filing ↗MCKESSON CORPORATION1st Quarter (Jan 1 - Mar 31) 2020
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Pharmacy
Issues related to Medicare Part D payments; matters related to response to COVID-19 outbreak/H.R. 748 - CARES Act.
LDA filing ↗MCKESSON CORPORATION2nd Quarter (Apr 1 - June 30) 2019
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Health Issues
Issues related to Medicare Part D payments.
LDA filing ↗MCKESSON CORPORATION3rd Quarter (July 1 - Sep 30) 2019
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Pharmacy
Issues related to Medicare Part D payments.
LDA filing ↗MCKESSON CORPORATION1st Quarter (Jan 1 - Mar 31) 2021
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Medicare/Medicaid
Issues related to Medicare Part D payments; matters related to response to COVID-19 outbreak/H.R. 748 - CARES Act; H.R. 6800 Heroes Act, and COVID-19 vaccine distribution
LDA filing ↗MCKESSON CORPORATION2nd Quarter (Apr 1 - June 30) 2021
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Health Issues
Issues related to COVID medical response; COVID-19 vaccine distribution; and health disparities
LDA filing ↗MCKESSON CORPORATION2nd Quarter (Apr 1 - June 30) 2019
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Medicare/Medicaid
Issues related to Medicare Part D payments.
LDA filing ↗MCKESSON CORPORATION1st Quarter (Jan 1 - Mar 31) 2020
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Health Issues
Issues related to Medicare Part D payments; matters related to response to COVID-19 outbreak/H.R. 748 - CARES Act.
LDA filing ↗MCKESSON CORPORATION2nd Quarter (Apr 1 - June 30) 2022
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Health Issues
Issues related to COVID medical response,; COVID-19 vaccine distribution,; and health disparities; S.1362 - Pharmacy and Medically Underserved Areas Enhancement Act; H.R. 7667, Food & Drug Amendments of 2022; S. 4348, the Food and Drug Administration Safety and Landmark Advancements (FDASLA) Act
LDA filing ↗MCKESSON CORPORATION3rd Quarter (July 1 - Sep 30) 2020
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Medicare/Medicaid
Issues related to Medicare Part D payments; matters related to response to COVID-19 outbreak/H.R. 748 - CARES Act; H.R. 6800 Heroes Act, and COVID-19 vaccine distribution.
LDA filing ↗MCKESSON CORPORATION3rd Quarter (July 1 - Sep 30) 2020
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Health Issues
Issues related to Medicare Part D payments; matters related to response to COVID-19 outbreak/H.R. 748 - CARES Act; H.R. 6800 Heroes Act, and COVID-19 vaccine distribution.
LDA filing ↗MCKESSON CORPORATION3rd Quarter (July 1 - Sep 30) 2019
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Health Issues
Issues related to Medicare Part D payments.
LDA filing ↗MCKESSON CORPORATION4th Quarter (Oct 1 - Dec 31) 2019
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Medicare/Medicaid
Issues related to Medicare Part D payments.
LDA filing ↗MCKESSON CORPORATION3rd Quarter (July 1 - Sep 30) 2020
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Pharmacy
Issues related to Medicare Part D payments; matters related to response to COVID-19 outbreak/H.R. 748 - CARES Act; H.R. 6800, Heroes Act, and COVID-19 vaccine distribution.
LDA filing ↗MCKESSON CORPORATION2nd Quarter (Apr 1 - June 30) 2020
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Pharmacy
Issues related to Medicare Part D payments; matters related to response to COVID-19 outbreak/H.R. 748 - CARES Act; H.R. 6800, Heroes Act.
LDA filing ↗MCKESSON CORPORATION2nd Quarter (Apr 1 - June 30) 2020
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Medicare/Medicaid
Issues related to Medicare Part D payments; matters related to response to COVID-19 outbreak/H.R. 748 - CARES Act; H.R. 6800 Heroes Act.
LDA filing ↗MCKESSON CORPORATION2nd Quarter (Apr 1 - June 30) 2020
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Health Issues
Issues related to Medicare Part D payments; matters related to response to COVID-19 outbreak/H.R. 748 - CARES Act; H.R. 6800 Heroes Act.
LDA filing ↗MCKESSON CORPORATION1st Quarter (Jan 1 - Mar 31) 2022
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Health Issues
Issues related to COVID medical response,; COVID-19 vaccine distribution,; and health disparities; S.1362 - Pharmacy and Medically Underserved Areas Enhancement Act
LDA filing ↗MCKESSON CORPORATION3rd Quarter (July 1 - Sep 30) 2019
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Medicare/Medicaid
Issues related to Medicare Part D payments.
LDA filing ↗MCKESSON CORPORATION4th Quarter (Oct 1 - Dec 31) 2021
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Medicare/Medicaid
Issues related to Medicare Part D payments; matters related to response to COVID-19 outbreak/H.R. 748 - CARES Act; H.R. 6800 Heroes Act, and COVID-19 vaccine distribution.
LDA filing ↗MCKESSON CORPORATION4th Quarter (Oct 1 - Dec 31) 2020
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Pharmacy
Issues related to Medicare Part D payments; matters related to response to COVID-19 outbreak/H.R. 748 - CARES Act; H.R. 6800, Heroes Act, H.R. 133 Covid Response and Relief Act; and COVID-19 vaccine distribution.
LDA filing ↗MICROSOFT CORPORATION2nd Quarter (Apr 1 - June 30) 2026
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Civil Rights/Civil Liberties
Issues related to H.R. 6048/S. 3663 - NDO Fairness Act of 2026; Issues related to H.R. 7786/S. 3982 - AI Fraud Accountability Act.
LDA filing ↗MICROSOFT CORPORATION3rd Quarter (July 1 - Sep 30) 2025
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Science/Technology
Issues related to technology and artificial intelligence.
LDA filing ↗MCKESSON CORPORATION4th Quarter (Oct 1 - Dec 31) 2021
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Health Issues
Issues related to COVID medical response,; COVID-19 vaccine distribution,; and health disparities; S.1362 - Pharmacy and Medically Underserved Areas Enhancement Act
LDA filing ↗MICROSOFT CORPORATION1st Quarter (Jan 1 - Mar 31) 2026
Registrant: AKIN GUMP STRAUSS HAUER & FELD · Civil Rights/Civil Liberties
Issues related to H.R. 6048/S. 3663 - NDO Fairness Act of 2026; Issues related to H.R. 7786/S. 3982 - AI Fraud Accountability Act.
LDA filing ↗