Ariel Tseitlin is a venture capital investor at Scale Venture Partners who previously served as Director of Cloud Solutions at Netflix, where he helped lead the company's transition from DVD-by-mail to global streaming and was credited as part of the leadership behind Netflix's pioneering internal cloud tools including the Simian Army and Chaos Monkey ecosystem that shaped modern cloud-resilience practices. He focuses on investing in technical founding teams building specialized security and infrastructure platforms, drawing on his hands-on experience building and operating large-scale consumer cloud platforms to advise founders on the practical mechanics of scaling from product-market fit to enterprise operations.