Andrew Higashi is the Co-founder and CEO of ChangeEngine, a San Francisco-based AI-powered employee experience platform that helps companies communicate with and engage their people the way the best brands engage customers. A three-time company builder, he spent a decade honing enterprise sales and go-to-market strategy at Gigya, WorkSpan, and Sendoso before founding ChangeEngine in 2021 with the same co-founding team he has worked alongside for ten years. ChangeEngine has raised $15.5 million in total funding, including a $10 million Series A led by Threshold Ventures in 2024, and serves 310+ employees globally with operations in the US, UK, and Latin America.

Nellie Wartoft is a Swedish technology entrepreneur and the CEO and founder of Tigerhall, a Change Activation Platform that helps Fortune 500 companies drive organizational transformation at scale using AI and social learning. She moved from a small Swedish village to Singapore at 18 with a one-way ticket, spent 4.5 years as a top billing recruiter at Michael Page, then built Tigerhall from scratch into a platform operating across 32 countries, backed by Sequoia Capital and Monk's Hill Ventures with over $10 million in venture capital. Before her tech career she was a Swedish national champion in skeet shooting and air rifle.
Tigerhall is an AI-powered Change Activation Platform that helps Fortune 1000 transformation leaders communicate, train and measure organizational change at speed. Founded by Nellie Wartoft in 2018, it serves enterprise customers in 32+ countries.