About Us.

We’re global just like you.

Our team doesn’t live in one place, so we know yours might not either. Our decentralized experience means we know just how to grow your startup lean and efficiently, no matter where you are.

Sieo Leadership Team

Austin Stofer

Chief Executive Officer
Austin (aka @Gamer) has been an entrepreneur since the ripe age of 8, when he cornered the local snowcone market. A serial founder, leading businesses across sectors such as gaming, fintech, health & wellness, and other emerging industries. Loves a whiskey sour.

Bennett Quintard

Chief Operating Officer
Bennett (He/Him) is a gratified college drop out who chose a global leadership development program and various entrepreneurial pursuits to supersede his higher education. Passionate about social enterprise, photography, and the perfect poached egg.

Alex Alexander

Chief Marketing Officer
Alex (He/Him) is an avid rock climber and aspiring saxophonist. Alex leads all marketing efforts across Sieo but has a personal penchant for customer acquisition with an emphasis on retention. He loves helping startups scale & mentoring and developing his team. He is passionate about & fascinated by AI & environmentalism.

Mari Kussman

Chief Design Officer
Mari(真理 - She/Her) means “truth in knowledge” in Japanese which she uses in lieu of her ill-suited American name that means “sweet like honey”. She is always building things and before working in various leadership roles at tech startups, she was designing collections shown at NY Fashion Week.

Aisling Carlson

Aisling (æʃlɪŋ - ASH-ling). Australian/Irish, by way of Hong Kong and Paris. Interests: cycling, the ocean, sci-fi novels, ethics, and pistachio gelato. In a previous life, Aisling worked for a VC and advisory firm in London and a hardware startup in LA. 


Director of Blockchain
Dog (Dog/Good Boy) has been a leading voice in the cryptocurrency & blockchain space for over three years, garnering >1 million views per day on his market and industry commentary. He spends most of his time advising companies in crypto, trading cryptocurrencies, and posting photos of traditional Chinese cuisine.

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