# Frontier Airlines

> Frontier Airlines is a VC fund in Denver backing Fuel and Clean Energy. See 2 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Denver, United States
- Total investments: 2
- Last investment: May 2023
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/frontier-airlines
- X (Twitter): http://twitter.com/flyfrontier
- Website: http://www.flyfrontier.com
- Facebook: https://www.facebook.com/flyfrontier

Frontier Airlines is a VC fund in Denver focused on Fuel and Clean Energy. Frontier Airlines owns and operates airlines. The company offers group and charter, and cargo transportation services. It offers its services in the United States, Costa Rica, the Dominican Republic, Jamaica, and Mexico. The company was founded in 1994 and is based in Denver, Colorado with an additional office in Indianapolis, Indiana. FrontierAirlines, Inc. operates as a subsidiary of Frontier Airlines Holdings, Inc.

## Contacts

5 contacts available for Frontier Airlines. Shizune tracks 5 team members at Frontier Airlines. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/frontier-airlines?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Fuel | 1 | 50% |
| Clean Energy | 1 | 50% |
| Plastics and Rubber Manufacturing | 1 | 50% |

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Funding Round | 1 | 50% |
| Private Equity | 1 | 50% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Barry Biffle | President & CEO | 0 | — |
| Craig Maccubbin | Senior Vice President and Chief Information Officer | 0 | — |
| Jose Ramon Paz | First Officer | 0 | — |
| Lowell Miller | Founder | 0 | — |
| Trevor Stedke | Senior Vice President, Operations | 0 | — |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| CleanJoule | CleanJoule is a pioneer SAF. CleanJoule is a dedicated and creative collection of engineers, scientists, and visionaries working to create a sustainable planet, reduce global carbon emissions, and ultimately combat climate change. CleanJoule's cutting-edge technology allows it to harness existing biomass energy and turn it intohigh-performance aviation fuel as well as carbon-negative bio-rubber that can be used in a variety of consumer and commercial products. | $50M |  | May 31, 2023 |  |
| CleanJoule | CleanJoule is a pioneer SAF. CleanJoule is a dedicated and creative collection of engineers, scientists, and visionaries working to create a sustainable planet, reduce global carbon emissions, and ultimately combat climate change. CleanJoule's cutting-edge technology allows it to harness existing biomass energy and turn it intohigh-performance aviation fuel as well as carbon-negative bio-rubber that can be used in a variety of consumer and commercial products. | $50M | Private Equity | May 31, 2023 |  |

2 of 2 investments shown.

## Co-investors
- Cleanhill Partners — VC Fund, 2 deals together
- [GenZero](https://shizune.co/investors/profile/genzero) — VC Fund, 2 deals together
- Indigo Partners — VC Fund, 2 deals together
- Volaris — VC Fund, 2 deals together
- Wizz Air — VC Fund, 2 deals together

## Similar investors

### Similar stage
- [Bpifrance](https://shizune.co/investors/profile/bpifrance) — VC Fund
- [SFC Capital](https://shizune.co/investors/profile/startup-funding-club) — VC Fund
- [HTGF (High-Tech Gruenderfonds)](https://shizune.co/investors/profile/high-tech-gr%C3%BCnderfonds) — VC Fund

## FAQ

### What does Frontier Airlines invest in?

Frontier Airlines invests primarily in Fuel, Clean Energy and Plastics and Rubber Manufacturing startups, most often at Funding Round and Private Equity stage. Most of the 2 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Frontier Airlines?

Public channels for Frontier Airlines include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### Who are the partners at Frontier Airlines?

The team at Frontier Airlines includes Barry Biffle (President & CEO), Craig Maccubbin (Senior Vice President and Chief Information Officer) and Jose Ramon Paz (First Officer). The Team section lists each member with their title, investment count and links.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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