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Heidi Zak is the co-founder and CEO of ThirdLove, a highly successful direct-to-consumer lingerie brand. She is also an active angel investor and advisor to various startups.
Heidi Zak primarily invests in consumer brands, e-commerce companies, and technology-driven businesses. She has a strong focus on supporting female-founded companies and diverse entrepreneurs.
Heidi Zak primarily works as the CEO of ThirdLove, the company she co-founded. Additionally, she is active as an independent angel investor and advisor, supporting various startups.
Heidi Zak is the Co-Founder and Chief Executive Officer of ThirdLove and a General Partner at 37 Angels, based in San Francisco, California. Prior to launching her own enterprise, she served as a Senior Marketing Manager at Google, a Director of International at Aéropostale, and a management consultant at McKinsey and Company. At ThirdLove, Zak scaled the direct to consumer apparel brand to over $100 million in annual revenue and secured more than $70 million in venture capital funding. She recently guided the digitally native company through a major omnichannel expansion by opening multiple physical retail stores across the United States and acquiring Kit Undergarments in 2022. Holding a Master of Business Administration from the MIT Sloan School of Management, Zak currently focuses on operating her retail business while leading early-stage investments in female-founded consumer technology startups.
Heidi Zak stands as a prominent figure in the entrepreneurial and investment landscape, best known as the co-founder and CEO of ThirdLove. Under her leadership, ThirdLove has transformed the direct-to-consumer lingerie industry, challenging traditional brands with its data-driven approach to fit and inclusive sizing. Her journey with ThirdLove began with a clear vision to create comfortable, well-fitting bras for every woman, a mission that resonated deeply with consumers and propelled the company to significant success.
Beyond her role as a pioneering entrepreneur, Heidi Zak is also an active and influential angel investor and advisor. While she does not hold a formal title at a traditional venture capital firm, her personal investments and advisory roles are highly sought after by emerging companies. Her investment focus areas are a direct reflection of her expertise and passion: consumer brands, e-commerce, and technology-driven businesses that aim to disrupt established markets. She has a particular interest in supporting female-founded companies and diverse entrepreneurs, leveraging her own experience to mentor and guide the next generation of innovators.
Heidi's career background is marked by a blend of strategic business acumen and a deep understanding of consumer behavior. Prior to co-founding ThirdLove, she held significant roles at leading technology companies, including Google and Aeropostale, where she honed her skills in marketing, product development, and business strategy. This diverse experience provided her with a robust foundation for identifying market gaps and building scalable businesses. Her operational expertise, from fundraising to scaling operations and navigating competitive landscapes, makes her an invaluable resource for the startups she chooses to support. While specific notable investments are often kept private in the angel investing world, her involvement typically signifies a strong belief in a company's potential and a commitment to providing strategic guidance beyond just capital. Heidi Zak's influence continues to grow, both as a CEO leading a beloved brand and as an investor shaping the future of consumer innovation.
