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Arjun Arora is the Managing Partner at Arora Ventures and Format One, based in San Francisco, California. He holds a BS in Electrical Engineering and Computer Science from UC Berkeley, previously handling monetization at Yahoo before working as a software engineer at Google and an AI researcher at OpenAI. Arora bootstrapped the advertising technology company ReTargeter to a 2015 acquisition by Sellpoints, subsequently serving as a Partner at 500 Startups. Through his venture firms, he invests in early-stage artificial intelligence and B2B SaaS startups globally, managing a portfolio of over 15 companies with three successful exits. In March 2025, he raised $100 million for his second early-stage venture fund to back seed and Series A enterprises. His current focus centers on providing go-to-market strategy and executive advisory services to founders scaling machine learning applications.
Arjun Arora is a distinguished Advisor at Expa, a renowned venture firm dedicated to building and investing in groundbreaking companies. In this pivotal role, Arjun brings a wealth of entrepreneurial insight and operational acumen to the firm's portfolio, guiding early-stage startups through critical growth phases. His deep understanding of market dynamics and company building makes him an invaluable resource for founders navigating the complexities of scaling innovative ventures.
Arora's career trajectory is marked by significant achievements as a serial entrepreneur. He is widely recognized as the Co-founder and CEO of ReTargeter, a pioneering ad tech company that revolutionized online advertising through its sophisticated retargeting solutions. Under his leadership, ReTargeter achieved substantial growth and was ultimately acquired by Zeta Global, a testament to his strategic vision and execution capabilities. Following this success, Arjun founded The Arora Project, further solidifying his reputation as a builder of high-impact businesses. This extensive background as a founder and CEO provides him with a unique, founder-centric perspective that is highly sought after by the companies Expa supports.
At Expa, Arjun Arora's advisory focus spans several high-growth sectors, including Software-as-a-Service (SaaS), Artificial Intelligence (AI), Business-to-Business (B2B) platforms, and consumer marketplaces. He is particularly adept at identifying promising technologies and business models that have the potential for disruptive innovation. His guidance often centers on product-market fit, go-to-market strategies, team building, and fundraising, ensuring that portfolio companies are well-positioned for long-term success. His experience in digital marketing and ad technology also provides a strong foundation for advising companies on user acquisition and growth hacking strategies.
While specific "notable investments" in the traditional sense of a venture capitalist are less applicable to his advisory role at Expa, his impact is seen through the strategic development and scaling of companies within the Expa ecosystem. His direct involvement helps shape the trajectory of these ventures, leveraging his firsthand experience in taking companies from conception to successful exit. Arjun Arora's commitment to fostering innovation and empowering founders makes him a key figure in the venture landscape, continually contributing to the creation of the next generation of industry leaders.
Arjun Arora is an Advisor at Expa and a seasoned serial entrepreneur. He is known for co-founding ReTargeter and The Arora Project, bringing extensive operational and strategic expertise to early-stage companies.
As an Advisor at Expa, Arjun Arora focuses on guiding companies in sectors such as Software-as-a-Service (SaaS), Artificial Intelligence (AI), Business-to-Business (B2B) platforms, and consumer marketplaces. His expertise helps shape the growth of these ventures.
Arjun Arora works as an Advisor at Expa, a venture firm that specializes in building and investing in new companies across various high-growth technology sectors.
