SI

Sideband Ventures

VC
Austin, TXWebsite

Sideband Ventures is a Pre-Seed, Seed venture capital firm based in Austin, TX investing in Other, Deep Tech, AI / ML. The firm typically writes $250K–$3.0M checks and has 8 portfolio companies in our records.

How to approach: warm intro preferred
Stage

Pre-Seed, Seed

Check Size

$250K – $3.0M

Portfolio

8+ companies

Team

5 partners

Investor activity
Investments in last 12 months: 0

Investment Thesis

Focuses on early-stage startups building next-gen semiconductor materials, RF components, and AI infrastructure technologies.

How Sideband Ventures invests

Sideband Ventures is a vc firm based in Austin, TX. The firm invests at the Pre-Seed, Seed stages, with a focus on Other, Deep Tech, AI / ML, Developer Tools. It does not invest in Consumer Apps, Social Media.

Sideband Ventures typically writes checks of $250K–$3.0M per investment.

Sideband Ventures has backed 8 companies in our records, including MicroEdge Technologies, SilicaFlex, Candela.

Meet the Team

MK

Markus Kahlbetzer

General Partner & Co-Founder

early-stage
venture capital
founder-led startups
BG

Ben Grabiner

General Partner & Co-Founder

seed stage
creative talent
consumer & creative technologies
HW

Harrison Wright

Investor

early-stage investing
seed/pre-seed deals
EH

Elli Hanson

Principal Investor

human-centred design
product design
consumer technology
brand & marketing tech
AT

Alex Truman

GP

Semiconductors
Advanced Materials

Industry Focus

Invests In

Other
Deep Tech
AI / ML
Developer Tools

Does Not Invest In

Consumer Apps
Social Media

Portfolio Companies (8)

Other

MI

MicroEdge Technologies

RF Components
SI

SilicaFlex

Advanced Materials
CA

Candela

Not specified·2024

(Description not specified)

K2

K2 Space

Space·2024

(Description not specified)

MY

Mysten Labs

Blockchain·2024

(Description not specified)

WA

Way

Logistics·Seed / 2024

(Description not specified)

ET

EtherFi

Blockchain·DAF / 2024

(Description not specified)

VA

Varda

Space·Opportunity / 2024

(Description not specified)

How to pitch Sideband Ventures
  • Raising at Pre-Seed, Seed? You're squarely in their sweet spot.
  • Lead with your fit in Other, Deep Tech, AI / ML — the sectors they actively back.
  • Size your ask to their typical $250K – $3.0M check.
  • warm intro preferred
  • Address your outreach to a specific partner, such as Markus Kahlbetzer, General Partner & Co-Founder.
  • A warm introduction beats a cold email. Get matched and request an intro.

Featured In

Browse More Investors

Fundraising resources

Frequently Asked Questions

See if Sideband Ventures is a match for your startup

Upload your pitch deck to see how well you match with Sideband Ventures and 10,000+ other investors.

Is this your profile? Request a correction or removal