Haider founded Plus VC in 2020. The company mainly invests in tech and tech-enabled sectors, and it currently manages a portfolio of more than 100 companies, including Breadfast, Foodics, TruKKer, Money Fellows, Eyewa, Lendo, Chefaa, Rain, and Harmonica. Haider has invested in more than 250 startups in the region over the last five years. In September 2024, Plus VC participated in the $2 million pre-seed round of Egypt-based fintech SETTLE Payments. Haider was previously managing partner for MENA at 500 Startups and served as cofounder and CEO of Tenmou.