Bill Miller
Founder & General Partner @ FirstMile Ventures
Denver, United States
Bill Miller is a seed investor at FirstMile Ventures in Denver focused on Software and Sports. Bill Miller is the founder and Managing Partner of Miller Investment Management. Bill is responsible for the overall investment strategy of both the venture and hedge funds. He is an active board member in a majority of the venture portfolio companies, where he leverages his experiences as an entrepreneur and investor to help companies makestrategic decisions and grow their business.Bill co-founded StorageNetworks, a cloud data storage company, in 1997. The company grew to $125 million in revenues and completed an IPO in 2000, reaching a peak market cap of $16 billion. Bill has invested in 25 start-up companies over the past 15 years with 10 successful exits. Bill’s career also includes experience in the semiconductor industry and data storage sales. He has a BS in Chemistry from the University of Illinois.
- Total investments:
- 19
- Last investment:
- Lead investor:
- 47%
Last updated:
For AI agents: llms.txt
Industries Bill Miller invests in
Stages Bill Miller invests in
Countries Bill Miller invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Software 9 (47%)
- Sports 3 (16%)
- Computer 3 (16%)
- Manufacturing 3 (16%)
- Big Data 2 (11%)
Stage
- Seed 11 (58%)
- Funding Round 2 (11%)
- Venture - Series Unknown 2 (11%)
- Pre-Seed 1 (5%)
- Series A 1 (5%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Bitmine Immersion Technologies operates in the digital asset and blockchain technology sector by providing infrastructure and services for cryptocurrency mining and related activities. The company uses immersion cooling methods to host and operate mining hardware for Bitcoin and supports third-party equipment hosting, infrastructure management andequipment sales. Bitmine also engages in self-mining of digital assets and offers advisory services tied to digital asset treasury strategies and has expanded its focus to include broader crypto ecosystem services. Its data center offerings encompass power, rack space, environmental management systems, connectivity and monitoring software for mining operations. The company’s business integrates infrastructure support with asset accumulation and consulting for clients navigating cryptocurrency networks and mining markets. | $365.2M / Post-IPO Equity / Sep 22, 2025 | ||
| Inifinite io is a stealth-mode IT systems company developing disruptive technology for the data storage market. Their game changing new technology combines Flash memory with Cloud storage to help data center managers gain control of exploding data storage costs. It’s an accepted fact that eighty percent or more of all data is written once and neveraccessed again and that inactive data in the typical data center doubles every twenty-four months or less. Infinite io is developing technology to automatically control and manage the massive growth of inactive data that assumes the majority of most IT storage budgets while dramatically increasing the access performance of data that is actively used. | $10.3M / Series B / Aug 29, 2018 | ||
| The Hedera hashgraph platform will offer a distributed public ledger that enables anyone to easily develop globally decentralized applications. Developers can build secure, fair, blazing-fast decentralized applications on top of the Hedera hashgraph platform. | $18M / Venture - Series Unknown / Mar 13, 2018 | ||
| X-IO is a storage industry related company delivering unmatched price or performance, reliability, and scale for enterprise, cloud applications, and infrastructure. Its “Intelligent Storage Element” systems are based on two decades of invention and investment by veteran storage industry experts.The features of X-IO’s plug-and-perform“Intelligent Storage Element” storage arrays are accelerate transactional, reporting and business intelligence applications by a factor of 3x or more; drives extreme performance and scale for virtual desktop and virtualized server infrastructures; and with five- to seven-year duty cycles, a super-efficient energy and space profile.X-IO solutions have been recognized as SQL Server Magazine and Windows IT Pro’s 2011 Editors’ Best Gold Medal winners, the 2012 Best of TechEd “Hardware and Storage Product” and “Attendees’ Pick” Awards, and inclusion in CRN’s 2012 Data Center 100 List. | Venture - Series Unknown / Sep 21, 2016 | ||
| VaultRMS is a cloud-based technology platform for public safety agencies. Then and now, the company seeks to simplify the purchasing process for municipal governments without sacrificing the most up-to-date technology. The name 'Vault' was chosen to signify the superior level of security incorporated into every product. | $1.3M / Seed / Aug 03, 2016 | ||
| BurstIQ is the leading provider of blockchain-enabled data solutions for the healthcare industry. The company's private, permissioned data network allows organizations to connect with each other, securely share data, and unlock a deeper understanding of the diverse factors that influence health. The platform combines blockchain, Big Data,machine intelligence, and granular data ownership and consent to build multi-dimensional profiles of people, places, and things and empower the interactions between them. The result is a global, secure data network that allows health systems, payers, digital health companies, pharma & life science companies and governments to collaborate, share, discover, and build the impossible. | $250K / Seed / Apr 21, 2015 | ||
| Quaddra Software develops file analytics technology for managing file and object data in corporate and petabyte-scale environments. We have implemented an extensible architecture built around a core of high-performance, open-source database technologies. This architecture provides three primary file analytics functions: - Scanning – bothmetadata and file contents - Searching – identifies files and groups of files with similar characteristics - Acting – notify, tag, copy, move and delete files | Seed / May 15, 2014 | ||
| Innate.ly provides high-end enterprise registry & performance tracking applications for world-class clients in the equine space, delivering solutions that streamline and revolutionize the horse show and racing industries. Our mission is to intelligently leverage technology to preserve horse culture & elevate the equine sport. | $856.4K / Seed / May 05, 2014 | ||
| FuseSport provides cloud-based software solutions for sports events and federations. | $290K / Seed / Mar 27, 2014 | ||
| Open Road Snacks™ was founded more than 30 years ago in the foothills of the Rocky Mountains. The company became a respected brand, known for creating true “craft snacks”—good-for-you, high-quality products that are naturally delicious. From flavored popcorn to Poplets® and Diego’s Chips™ , Open Road Snacks™ strives to make the snack world ahappier place.And, speaking of creating a happier world, Open Road Snacks™ is also dedicated to protecting the planet so that future generations may enjoy its wonders as they have. They work to reduce their environmental impact by using 100% wind powered energy in their factory, and they proudly ship their products in locally made recycled cardboard that’s compliant with the Sustainable Forest Initiative. Rocky Mountain Popcorn® avoids using the traditional holiday popcorn tin in favor of a recycled and recyclable alternative dubbed the “NottaTin.” With these measures already in place, they’re constantly on the lookout for new ways to foster sustainable operations.Committed to Their Community. They are proud to support charitable causes that promote healthy lifestyles and a clean environment. | Seed / Sep 30, 2013 | ||
| See all 19 investments → | |||
Co-Investors
Digital Currency Group
2 deals together
Ethos Family Office
1 deal together
Techstars Ventures
1 deal together
Chicago Ventures
1 deal together
DHVC
1 deal together
Dougherty & Company
1 deal together
About FirstMile Ventures
FirstMile Ventures invests in seed stage technology companies. They aim to invest early in a company's life and help them set the pace for future success. They are located in Colorado but consider investment opportunities across the U.S.
FirstMile Ventures Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Aaron Stachel
Partner
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Bill Miller
Founder & General Partner
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FAQ
What does Bill Miller invest in?
Bill Miller invests primarily in Software, Sports and Computer startups, most often at Seed and Funding Round stage. Most of the 19 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 Bill Miller?
Public channels for Bill Miller include LinkedIn and X (Twitter). 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.
When did Bill Miller last invest?
The most recent investment recorded for Bill Miller closed in Sep 2025. Shizune tracks 19 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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