Christine Callahan

Active Investor

Investment Manager at GMX Ventures

Charleston, United States

Christine Callahan, Investment Manager at GMX Ventures is an active investor based in Charleston, United States. This profile covers what Christine Callahan backs, at which stage, and how founders can reach out in 2026.

Christine Callahan is an Investment Manager at GMX Ventures, CEO of CEOX, and Principal | VP, Sales & Marketing at Veil Genomics.

Christine Callahan invests in SaaS & Enterprise, Healthcare & Biotech and Artificial Intelligence, typically at Seed, Series A and Early Stage Venture.

Investor type
VC
Stages
SeedSeries AEarly Stage Venture
Invests in
SaaS & EnterpriseHealthcare & BiotechArtificial Intelligence
Location
Charleston, United States
Typical check
$500K

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Round Funded. "Christine Callahan." Round Funded investor database, updated November 3, 2026.

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Frequently Asked Questions

Who is Christine Callahan?

Christine Callahan, Investment Manager at GMX Ventures is an active investor based in Charleston, United States. Christine Callahan invests in SaaS & Enterprise, Healthcare & Biotech and Artificial Intelligence, typically at Seed, Series A and Early Stage Venture.

What does Christine Callahan invest in?

Christine Callahan invests in SaaS & Enterprise, Healthcare & Biotech and Artificial Intelligence, typically at Seed, Series A and Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

What stage does Christine Callahan invest at?

Christine Callahan typically invests at Seed, Series A and Early Stage Venture. Lead with traction that fits the stage when you reach out.

What is Christine Callahan's typical check size?

Christine Callahan typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.

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.