Gregory Castellanos, capabilities and experience.

Event production and AV

Production and Operations, freelance. CAVL, JNSQ, Got Light, and Vario, 2022 to present. Graphics, playback, V1 support, technical direction, and show calling. Supported productions for Google, Stripe, Atlassian, GitHub, Nasdaq, SF MoMA, and the World Economic Forum through these production companies.

Founder and Executive Producer, Recreation Sound experiential events, 2013 to present. Produced more than one hundred events, including Convergence 2026, a sold out 250 person, 15 artist production, as Executive Producer.

Events and Community Coordinator, Broadway Studios and FAME, San Francisco, 2022 to present.

Learning and instructional design

Lead STEAM Educator and Instructional Designer, TechShop, San Francisco, 2014 to 2019. Designed the STEAM program adopted across multiple locations nationwide and co designed TechShop Inside.

STEM and AI Educator, Boys and Girls Club of San Francisco, 2023 to present.

Learning Designer and Executive Function Tutor, Aspire Education, 2023 to present.

Lead Educator, Next Generation Scholars Summer Academy, The Branson School, 2024.

Director of Arts and Technology, Oakland Aviation High School, 2007 to 2008.

Creative and technical leadership

Founder and CEO, Recreation Sound Systems, 2013 to 2020. Earned two U.S. design patents and led product from concept to manufactured reality.

Independent creative and web work, including the Shangri-La Sonoma retreat center.

Entrepreneurship

Founder, CEO, and Program Director, Local Maker Mart, San Francisco, 2019 to 2022.

Founder and Executive Function Coach, Castellanos Coaching, 2020 to present.

Founder, Make Places Better, place based property and hospitality work.

AI evaluation and consulting

Designs AI literacy programming and applies rubric based evaluation to AI output. Fluent across ChatGPT, Claude, Gemini, Perplexity, and Midjourney.