chemstack-ai
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Shreyans Chopra
Shreyans Chopra is the founder and CEO of Mstack, an AI-native specialty chemicals company based in Houston that helps North American and global buyers source custom chemicals from a diversified manufacturing network. A chartered accountant turned BCG consultant turned Lightspeed India investor, he started Mstack in July 2022 and scaled it to more than 100 enterprise customers and operational profitability, raising a $40 million Series A led by Lightspeed and Alpha Wave in 2024. In 2025 the company launched Chemstack AI, an R&D platform that compresses molecule synthesis timelines from roughly 18 months to days.
Mstack
Mstack is an AI-native chemical R&D and manufacturing company that helps enterprises source and produce custom specialty chemicals. It pairs a cross-border network of vetted suppliers across India, the Middle East and Asia with Chemstack AI, a closed-loop platform that designs and ranks synthetic routes to compress molecule development from roughly 18 months to days. Founded in 2022 by former Lightspeed investor Shreyans Chopra, the company serves 100+ enterprise customers and is backed by Lightspeed and Alpha Wave Global.