Douglas Downer

Founder at

Sundowner Capital Management LLC

Net worth: 54 M $ as of 31/08/2026

59 year

57 connections

Finance

Health Services

Profile

Douglas E.
Downer is the founder of Sundowner Capital Management LLC.
Mr. Downer currently holds the positions of Independent Director at Mechanics Bank (Walnut Creek, California) since 2013, Director at St. Charles Health System, Inc. since 2006, and Independent Director at Mechanics Bancorp starting in 2025.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
1.56%	28/05/2026	3,439,034 ( 1.56% )	54 M $	31/08/2026

Douglas Downer active positions

Companies	Position	Start
St. Charles Health System, Inc. St. Charles Health System, Inc. Medical/Nursing ServicesHealth Services Provides healthcare services to communities	Director/Board Member	08/09/2009
Mechanics Bank (Walnut Creek, California) Mechanics Bank (Walnut Creek, California) Regional BanksFinance Provides banking services	Director/Board Member	01/01/2013
Sundowner Capital Management LLC Sundowner Capital Management LLC Investment ManagersFinance Provides investment advice	Founder	-

All active positions of Douglas Downer

Experiences
Positions held

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Inactive

Listed companies

Private companies

See the detail of Douglas Downer's experience

Connections

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Members of the board

Executives

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Linked companies

Private companies	3
Mechanics Bank (Walnut Creek, California) Mechanics Bank (Walnut Creek, California) Regional BanksFinance Provides banking services	Finance
St. Charles Health System, Inc. St. Charles Health System, Inc. Medical/Nursing ServicesHealth Services Provides healthcare services to communities	Health Services
Sundowner Capital Management LLC Sundowner Capital Management LLC Investment ManagersFinance Provides investment advice	Finance