The Collective · Katie Brenner
Katie
Brenner.
Colorist. Educator. Platform artist. Katie Brenner brings two decades of behind-the-chair expertise and a global educator's perspective to every Oli G Pro session, protocol, and product recommendation.
Owner, Golden Trove Salon — Denver, CO
Current Global Artistic Director, JRL Professional
Built for the chair,
taught by someone in it.
Katie’s education content on Oli G Pro is drawn from real service protocols, real client results, and real back-bar experience. Not theory — technique.
Color Service Prep
Pre-color, pre-lightening, glossing, and corrective color workflows using the Oli G system. Step-by-step application methods from Katie’s own chair.
System Cocktails
Twelve formulated cocktail protocols pairing Oli G products for maximum service impact: Protect + Saturate, Color Lock, Curl Open, Reset, and more.
The Oligopeptide System
Understanding the molecular science behind the Oli G System — from peptide bonding to pH calibration — so you can explain it confidently to every client.
Behind-the-Chair Cheatsheet
At-a-glance product functions, mixing ratios, cocktail shortcuts, and timing guides for fast, accurate back-bar application.
“I’ve worked with a lot of professional lines. Oli G is the first one I’ve seen built from the ground up with colorists in mind — not just salon owners or retail buyers.”
With 56+ industry nominations and two decades behind the chair in Denver’s most competitive market, Katie brings real-world credibility to every Oli G Pro education session, product development conversation, and stylist resource.
Ready to learn from Katie?
Explore the full Pro Education library — service protocols, cocktail guides, and system science — built for working professionals.