Jenn Kranz Guillen
Investor
Based in Venice, California, Jenn Kranz Guillen is an investor at Mucker Capital, where she partners with early-stage startups across the West Coast. She has led investments across HealthTech, FinTech, and Supply Chain, with a particular focus on vertical SaaS platforms and AI-native applications transforming legacy industries. Jenn has supported more than 30 portfolio companies through successful fundraising efforts—shaping narratives, optimizing materials, and facilitating investor introductions.
Jenn brings experience from both sides of the table. She previously contributed to investments at MTech Capital and B Capital Group, enabling over $500M in potential downstream transaction value. At Halogen Ventures, she supported acquisition strategies and LP fundraising initiatives. Earlier, she joined the founding team at Haystack, a venture-backed communications startup, where she built and executed the company’s first GTM sales campaign—driving pipeline that contributed 15% of the annual revenue target.
Jenn began her career at TriNet, where she served as the Venture Capital Practice Leader and was recognized as the top-ranked Technology Consultant in Los Angeles—TriNet’s third-largest market—advising early-stage teams on HR and operational strategy.
A double Trojan (fight on!), Jenn earned both her MBA and BA from the University of Southern California.
Jenn can be reached at jenn at mucker dot com.
Articles by Jenn Kranz Guillen
Annual Financial Planning Best Practices for Startups with Debbie Rosler
In this Mucker Growth Session, Debbie Rosler from Burkland reviews best practices for building a startup annual financial plan. Objectives of Financial Planning for Startups There are 6 key objectives...
Creative GenAI Applications to Fuel Early Stage Startup Growth with Rosemary Brisco and Bob Mitton
In this Mucker Growth Session, Rosemary Brisco and Bob Mitton, renowned consultants in the AI field, focus on how startups can utilize AI to enhance growth and efficiency across various...
How To Identify Key Product Metrics To Unlock Value For Product-Led Startups with David Jesse
In this Mucker Growth Session, David Jesse, Senior Product Advisor & Coach at Prodify with prior product leadership experience at DoorDash, Groupon, and eBay, focuses on aligning your product metrics...
Managing Complex B2B Sales Motions for Startup Founder-Led Sales with Luke Welch
In this Mucker Growth Session, Luke Welch, owner of Luke Welch GTM Consulting and former VP of Global Marketing Solution Sales at Salesforce, focuses on the challenges and best practices...
How to Kickstart Content Marketing at Early-Stage Companies with Dennis Shiao
In this Mucker Growth Session, Dennis Shiao, founder of marketing agency Attention Retention, walks through how to make an impact with content marketing even when you have limited budget and...
How to Improve Your Team’s Performance and Prevent Burnout with Glenn Gow
In this Mucker Growth Session, CEO coach Glenn Gow discusses improving your team’s performance and preventing burnout. PDF of Glenn’s presentation slides Right Now, Things are Hard On any given...