Jenn Kranz Guillen
Investor
Based in Venice, California, Jenn invests primarily in early-stage startups on the West Coast. Since joining Mucker, Jenn has led investments in startups across HealthTech, FinTech, Supply Chain, and EdTech sectors, and supported the external fundraising process for over 25 portfolio companies.
Previously, Jenn contributed to investments at MTech Capital and B Capital Group, where she enabled $500+mm in future transaction value for fundraising portfolio companies. At Halogen Ventures, she advised on acquisition strategies and fundraising initiatives.
In addition to venture capital, Jenn gained entrepreneurial experience at Haystack, where she executed a successful sales campaign that contributed 15% to the annual revenue target.
Prior to investing Jenn was the Venture Capital Practice leader and a top-ranked Technology Consultant at TriNet, specializing in the LA tech market. With a blend of investment savvy and entrepreneurial drive, she continues to support and grow innovative startups.
Jenn is a double Trojan (fight on!) having received her BA and MBA from the University of Southern California.
Jenn can be reached at jenn at mucker dot com.
Articles by Jenn Kranz Guillen

The LinkedIn Playbook: How Startup Founders Can Stand Out & Scale
This LinkedIn Playbook is based on insights from a recent one-time Mucker Growth Session webinar featuring LinkedIn growth experts Alec Paul (Founder of SalesBrand) and Kyle Williams (Founder of Brickstack)....

DeepSeek vs OpenAI: Comparison Breakdown and What It Means For Your Tech Startup With Dan Cleary
In this recent webinar of our Mucker Growth Series, we discussed the evolving AI landscape with Dan Cleary, founder of PromptHub. He provided an in-depth breakdown of DeepSeek vs. OpenAI,...

Building Product Without Knowing Code With Adam New Waterson
In a deep dive into AI-driven product development, Adam New-Waterson, a former CMO turned Chief Product Officer and now solopreneur, shared how non-technical founders can harness the power of AI...

How To Build An Automated Sales Outreach Engine For Startups with ColdIQ
Many B2B startups (and even larger organizations) are unable to be successful with their outbound sales strategy because they take a lazy, “batch-and-blast” approach. In a recent Mucker Growth Series...

Navigating the AI Sales Tools Landscape To Grow Your Startup With Blue Bowen
We had the privilege of hosting, Eugene “Blue” Bowen, Research Principal from G2, one of the leading software marketplaces and review sites that cover a broad range of B2B solutions....

Compensation Benchmarks for Early Stage Startups with Peter Walker
In this Mucker Growth Session, Peter Walker from Carta reviews insights and compensation benchmarks for early stage startups gathered from Carta’s extensive dataset of nearly 50,000 startups. In the evolving...