Sean Taylor Callahan

Registered Lobbyist New Lobbyist
Disclosed Prior Position
Dep. Chief of Staff & Legislative Director, Rep. Val Demings: 2022-2023; Dep. Chief of Staff, Sen. Mazie Hirono: 2016-2017; Dep. Chief of Staff, Rep. Mark Takai: 2015-2016; Senior Policy Advisor, Rep. Colleen Hanabusa: 2011-2014.
Lobby Filings
4
Clients
1
Firms
1
Years Active
2025–2026
Total Contributed
$1,750
Contributions
2
Recipients
2
Contrib Filings
2
Top Recipient Legislators
LegislatorPtyStTotal
Robert Wittman R VA $1,500
Brad Knott R NC $250
Top Committees / PACs
PayeeCountTotal
WITTMAN VICTORY COMMITTEE 1 $1,500
BRAD KNOTT FOR CONGRESS 1 $250

Lobbying Filings

All 2026 2025
YearFirmClientIncomeDoc
2026
1st Quarter - Report		 SB GROUP US, INC. DBA SOFTBANK GROUP US, INC. SB GROUP US, INC. DBA SOFTBANK GROUP US, INC. —
2025
4th Quarter - Report		 SB GROUP US, INC. DBA SOFTBANK GROUP US, INC. SB GROUP US, INC. DBA SOFTBANK GROUP US, INC. —
2025
3rd Quarter - Report		 SB GROUP US, INC. DBA SOFTBANK GROUP US, INC. SB GROUP US, INC. DBA SOFTBANK GROUP US, INC. —
2025
AMENDED		 SB GROUP US, INC. DBA SOFTBANK GROUP US, INC. SB GROUP US, INC. DBA SOFTBANK GROUP US, INC. —

Political Contributions

Recipient / Honoree Legislator Payee / Committee Date Amount
Rep. Rob Wittman Robert Wittman (R, VA) WITTMAN VICTORY COMMITTEE Sep 23, 2025 $1,500
Rep. Brad Knott Brad Knott (R, NC) BRAD KNOTT FOR CONGRESS Jul 21, 2025 $250

Contribution Filings (LD-203)

YearPeriodPostedStatusDoc
2025 Year End Jan 22, 2026 Active
2025 Mid Year Jul 23, 2025 None