Dean Allan Leffingwell

Individual

Grouped by the exact name reported to the FEC, which has no ID for individual donors. Other people with this name may be included.

Total Contributed

$48K

Contributions

Recipients

Active Period

2021–2026

Donor Profile

Party Lean

D $35K

Top States

CO$35K

PA$7K

NH$4K

Giving Trend

↓ 53%

2025–2026 vs 2023–2024

Employer

SCALED AGILE INC.

Summary

LEFFINGWELL, DEAN ALLAN is an individual political donor based in CO. They have contributed $48K across 14 contributions to 7 recipients. Their average contribution is $3K. Top recipients include BRITTANY PETTERSEN FOR COLORADO, BOB CASEY FOR SENATE INC, BENNET FOR COLORADO. Their political giving spans from the 2022 to the 2026 election cycle, with peak giving of $22K in 2024.

Giving Pattern by Cycle

Contribution amounts per election cycle, colored by recipient party

All Recipients

Committees and candidates receiving contributions, all cycles

#	Name	Party	State	Total	Contributions
1	BRITTANY PETTERSEN FOR COLORADO	Democratic	CO	$18,700	6
2	BOB CASEY FOR SENATE INC	Democratic	PA	$6,600	2
3	BENNET FOR COLORADO	Democratic	CO	$5,800	2
4	PAC IN THE SADDLE	—	CO	$5,000	1
5	COMMON SENSE COLORADO	—	CO	$5,000	1
6	CHRIS PAPPAS FOR CONGRESS	Democratic	NH	$3,500	1
7	DAVE YOUNG FOR COLORADO	—	—	$3,500	1

Source: FEC bulk data

Dean Allan Leffingwell — Individual Donor Profile | Poliscope