Executive Team

David Harry Stewart

CEO, Founder

David is the founder and face of the AGEIST. He is an expert on, and a passionate champion of the emerging global over 50 lifestyle. Previously, has had a highly successful award-winning career as a photographer specializing in people-oriented advertising. His success was the ability to combine insightful strategic thinking of his engineering background, with a high level of design and aesthetics creating impactful, emotive and business-building work. GQ, Esquire, Harper’s Bazaar, Wired, Interview, Time, The New York Times Magazine, Nike, Adidas, Google, Coors, AT&T, Coke, Philip Morris, Toyota, Lexus, BMW, Corona, Gillette, Philips, Johnson & Johnson, Red Bull and many more.. As one of the world’s leading experts in the new ways we are all aging, David is frequently called upon by the press for a juicy comment. A dynamic speaker, he is available for panels, keynotes and informational talks at david@agei.st.

Jack Phan


Jack is an innovator and visionary entrepreneur with 20+ years developing businesses in lead generation, affiliate marketing, and digital media publishers. He founded several startups with multiple successful exits as founder, investor and advisor. He has deep experience in business development, technology, product development, marketing and operations, leading one of his companies to rank #187 in Inc 500's Fastest Growing Companies of 2007. In addition to being Chief Technologist of AGEIST, Jack serves as President & COO of Money Crashers and previously served as Vice President of Strategy at Digital Trends where he helped to scale the company to the #1 private tech media company in the world. Jack has been instrumental to the on-going build out at AGEIST.

Paul Hynek


Paul Hynek has decades of successful experience in finance, technology, entertainment. Paul is a Wharton MBA, an Adjunct Professor of Finance and Accounting at Pepperdine University, and the creator of startup financial projections software that has raised over $1 billion for thousands and startups. He has significant executive, software, and high tech experience in the US, Europe, and Asia. Paul is a sought-after speaker, having emceed, keynoted, moderated, and spoken at South by Southwest, Wharton / Penn, Harvard, Mensa, BIL, Brink, and numerous technology and startup conferences and events. He’s a grant reviewer for the National Science Foundation.

Michelle Breyer

Editorial Director

Named one of the 50 Most Influential People in the Multicultural Market by Women's Wear Daily in 2015, Michelle Breyer is a visionary entrepreneur who took a personal frustration over out-of-control curls and built it into the largest social media platform for hair. TextureMedia reaches 16 million influencers a month, and is considered the top authority for textured hair. What started as a hobby in 1998 now includes two consumer web sites, an ecommerce site, a market research division and a partnership with Modern Salon. TextureMedia is known for its innovation, creating both online and live opportunities for brands and retailers. In September, the company will put on its fourth annual Texture On the Runway show, which has become a staple for both New York Fashion Week and the beauty industry. Over the past 19 years, Michelle has consulted with numerous brands and retailers to help them develop the right products and communication strategies to most effectively connect with this valuable consumer. This year, TextureMedia celebrates its 20th Anniversary. NaturallyCurly was acquired in September 2018 by Essence Communication Inc.

Board of Advisors

Matt Hirst

West SF & Co-Founder of AGEIST

Matt started his career at The Futures Co. (WPP) as a researcher and analyst, both in London and New York. He then moved to Red Bull where he spent nearly a decade (first in London, then Los Angeles) working alongside athletes and cultural innovators to conceive, roll out and scale audacious, disruptive experiential content projects. From there he moved to Google where he spent time as their Global Head of Brand Experience. Today, living in San Francisco, he splits his time between roles as the co-founder of AGEIST, partner at West (a VC and technology consultancy) and being a father of two.

Glen Chen

Global Business Development Manager at Origin X Capital

Glen started his career as a private equity and venture capital attorney at Paul Hastings in Los Angeles and Kirkland & Ellis in Hong Kong, and has closed over $5 billion in private investment transactions. Glen has broad experience in growing and scaling early stage companies through his combined legal and business background. Previously he led business development, sales and operations in California for NextSeed, a community-based financing and investment platform.

Andreas Tzortzis

Creative Director, Apple

As AGEIST first editorial director, Andreas directed the verbal tone, wrote the profiles and curated our content during our first 3 years. He has worked as a journalist for the New York Times, International Herald Tribune, Newsweek and Monocle Magazine from Berlin and London before leading Red Bull’s mainstream-facing content platform, The Red Bulletin, from Los Angeles. He specializes in storytelling across multiple platforms – print, digital, video and podcasting – and building new audiences for brands through editorial content. He recently returned to his hometown of San Francisco with his small family.

Jonathan Cheung

Head of Global, Levi's®

A graduate of the renowned School of Fashion at Kingston University in London, Jonathan got his start working for legendary labels Moschino and Armani in Milan. In 2009, he moved to Levi’s and has served as Head of Global Design for Men’s & Women’s Levi’s since 2013. He has led creative teams in 6 countries and in 3 languages (English, Cantonese and Italian) and currently resides in Mill Valley, on the other side of the Golden Gate Bridge. He joined AGEIST’s board in February 2017.

Andrea Cullen

Managing Director of Bright Link Ventures

Andrea Cullen is the Managing Director of Bright Link Ventures LTD (BLV), a London-based advisory and consulting firm. Prior to founding BLV, she was a senior member and the director of research of the Tradable Credit Group at Ares Management LLC, a $90 billion asset management firm headquartered in Los Angeles, CA. She had oversight of a $1.7 billion leveraged loan, high-yield bond and CDS portfolio spread across the retail, consumer products and food sectors. She was also the architect and co-chair of the firm’s Global Markets Investment Committee. Prior to joining Ares Management, Andrea was an analyst in DLJ’s high yield group (acquired by CSFB in 2000). Over the course of a 15-year career in finance, she has done primary, proprietary and in-depth analysis on hundreds of retail and consumer products companies and advised many on strategy and capital markets activities. Andrea holds an MBA from Pepperdine University’s Graziadio School of Business and Management. She currently sits on the advisory boards of ForwardLane and Parcelly and is a mentor at Barclays Accelerator (Fintech focused), powered by Techstars.

Mike Milley

Director of Innovation and Foresight at BMW Group DesignWorks

Mike Milley is the Director of Foresight & Innovation at the BMW Designworks studio in Los Angeles. He leads a cross-disciplinary team that brings the future to life at the intersection of research, strategy, and innovation. Prior to joining BMW, Mike was the founding director of Samsung’s Global Lifestyle Research Lab, which anticipated global lifestyle shifts as a way to define product innovation opportunities for Samsung. He’s also worked on advanced design teams at Nike and Philips. He is a graduate of Columbia University and Parsons School of Design, and is on the faculty of the graduate Media Design program at Art Center College of Design.