Maddie Callander, Partner at Boost VC is an active investor based in San Francisco, California. This profile covers what Maddie Callander backs, at which stage, and how founders can reach out in 2026.
Maddie Callander is a Partner at Boost VC, investing in deep tech startups, and is also an angel investor.
Maddie Callander invests in Hardware & Deep Tech and Artificial Intelligence, typically at Pre Seed, Seed and Series A.
- Location
- San Francisco, California
- Typical check
- $250K
What does Maddie Callander invest in?
- Investor type
- VCAngel
Where is Maddie Callander based?
Maddie Callander is based in San Francisco, California.
- Browse more startup investors near Maddie Callander:
- Startup investors in San FranciscoStartup investors in CaliforniaStartup investors in the United States
How to reach Maddie Callander
Angels and operators like Maddie Callander reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.
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About this profile
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Round Funded. "Maddie Callander." Round Funded investor database, updated September 22, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/maddie-callander-san-francisco
Frequently Asked Questions
Who is Maddie Callander?
Maddie Callander, Partner at Boost VC is an active investor based in San Francisco, California. Maddie Callander invests in Hardware & Deep Tech and Artificial Intelligence, typically at Pre Seed, Seed and Series A.
What does Maddie Callander invest in?
Maddie Callander invests in Hardware & Deep Tech and Artificial Intelligence, typically at Pre Seed, Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does Maddie Callander invest at?
Maddie Callander typically invests at Pre Seed, Seed and Series A. Lead with traction that fits the stage when you reach out.
What is Maddie Callander's typical check size?
Maddie Callander typically writes checks around $250K. Use it as a signal for whether your raise fits their stage.
Where is Maddie Callander based?
Maddie Callander is based in San Francisco, California.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.
Investor lists that match Maddie Callander's profile
Lists of investors with the same location, stage, sector or investor type as Maddie Callander.
- AI Angel Investors in the San Francisco Bay AreaDeep Tech Angel Investors in the San Francisco Bay AreaAngel Investors in San FranciscoAngel Investors in CaliforniaPre-Seed Angel Investors in the United StatesSeed Angel Investors in the United StatesEarly-Stage VCsEarly-Stage VCs in the United StatesPre-Seed VCsPre-Seed VCs in the United StatesSeed VCsSeed VCs in the United States
Similar investors to Maddie Callander
Investors who share Maddie Callander's portfolio companies, firm, city or investment focus.
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