Seth Heitzmann Email & Phone Number

Seth Heitzmann

Founder and Managing Director at FirstMark Capital | New York, New York, United States

Seth Heitzmann Socials
About Seth Heitzmann

Seth Heitzmann is a seasoned venture investor and the Founder and Managing Director of FirstMark Capital, an early-stage venture capital firm based in New York City. With a keen focus on high-growth emerging media and technology-enabled business services, Seth has carved out a niche in sectors such as data and information management, compliance and risk mitigation, marketing and advertising, and business process outsourcing. His extensive expertise in these areas allows him to identify and nurture innovative startups that are poised to disrupt traditional markets.

At FirstMark Capital, Seth leads a dynamic team in sourcing and evaluating investment opportunities, leveraging his deep understanding of consumer technologies, including e-commerce, media, and video games. His strategic vision has been instrumental in guiding several key projects that have not only yielded substantial returns but have also contributed to the evolution of the industries in which they operate. Seth’s ability to navigate the complexities of venture capital, coupled with his background in corporate development and private equity, positions him as a thought leader in the investment community.

Seth’s passion for entrepreneurship drives his commitment to supporting founders as they scale their businesses. He actively engages with portfolio companies, providing mentorship and strategic insights that help them navigate the challenges of growth. With a robust skill set that encompasses venture capital, corporate development, and start-up dynamics, Seth Heitzmann continues to be a pivotal figure in shaping the future of emerging media and technology sectors. His work not only fosters innovation but also enhances the overall landscape of the venture capital industry.

Seth Heitzmann Work
1 experience icon

Founder and Managing Director at FirstMark Capital in January 2008 to Present

2 experience icon

Partner at Pequot Ventures in August 1999 to July 2008

3 experience icon

Principal at Pequot Capital Management, Inc. in January 1999 to July 2008

Seth Heitzmann Skills

Venture Capital

Corporate Development

Private Equity

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About Seth Heitzmann's Current Company
Frequently Asked Questions about Seth Heitzmann

What is Seth Heitzmann email address?

Email Seth Heitzmann at [email protected] and [email protected]. This email is the most updated Seth Heitzmann email found in 2026.

What is Seth Heitzmann phone number?

Seth Heitzmann phone number is +16102568413 and +16098221457.

How to contact Seth Heitzmann?

To contact Seth Heitzmann send an email to [email protected] or [email protected]. If you want to call Seth Heitzmann try calling on +16102568413 and +16098221457. (updated on September 13, 2024)

What is Seth Heitzmann net worth?

Seth Heitzmann has an estimated net worth of -$2,499 to $2,499

What company does Seth Heitzmann work for?

Seth Heitzmann works for FirstMark Capital

What is Seth Heitzmann's role at FirstMark Capital?

Seth Heitzmann is Founder and Managing Director

What industry does Seth Heitzmann work in?

Seth Heitzmann works in the Online Audio And Video Media industry.

Seth Heitzmann Email Addresses

Email Seth Heitzmann at [email protected] and [email protected]. This email is the most updated Seth Heitzmann email found in 2026.

Seth Heitzmann Phone Numbers

Seth Heitzmann phone number is +16102568413 and +16098221457.
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