AUM
$5B+ (Indigo Partners funds)
Principals
1
Data Flags
Indigo Partners aviation investor; low-cost airline pioneer
Franke Family Office (William Franke / Indigo Partners)
SFOHigh ConfidencePhoenix, Arizona / Houston, Texas
Last verified: Jan 16, 2026
Details
- Source of Wealth
- Private Equity / Aviation
- Assets Under Management
- $5B+ (Indigo Partners funds)
- Source File
- research/organizations/franke-family-office.md
- UID
- fo-franke-family-office
Also Known As
William Franke Family OfficeFranke CapitalIndigo Partners Family OfficeBill Franke Family Office
Principals (1)
Team Members (5)
Related Entities (6)
Franke Family FoundationFoundation
Philanthropic vehicle
Frontier AirlinesSubsidiary
US ultra-low-cost carrier (Chairman)
Indigo Partners LLCSubsidiary
Aviation-focused private equity firm
JetSMARTSubsidiary
Latin American low-cost carrier (investor)
VolarisSubsidiary
Mexican low-cost carrier (investor)
Wizz AirSubsidiary
European low-cost carrier (investor)
Relationship Strength
Loading relationships...
Sources (6)
- (Forbes #2623, 2025 - $1.2B)
- (Houston Chronicle 2025 - $1.2B)
- https://www.msn.com/en-us/money/companies/new-houston-billionaire-makes-forbes-ranking-of-worlds-wealthiest-people-in-2025/
- https://en.wikipedia.org/wiki/Indigo_Partners
- https://law.stanford.edu/stanford-lawyer/articles/legal-matters-q-a/
- https://ir.flyfrontier.com/board-member/william-franke
Changelog
- 2026-01-16VERIFIED to High. Added second net worth source (Houston Chronicle $1.2B). Confirmed Forbes #2623 ranking. Two sources on net worth verified.
- 2026-01-16Enriched with principal biography, Stanford education (BA, LLB), America West history, Indigo Partners founding (2002), airline portfolio (Frontier, Wizz Air, Volaris, JetSMART). Updated confidence to Medium.
- 2026-01-15Auto-generated from principal William Franke