Lightbox Ventures

Partners Sandeep Murthy and Sid Talwar lead all investment decisions at Lightbox. Murthy previously co-founded Sulekha and served as CEO of Cleartrip; Talwar was a partner at Kleiner Perkins Caufield & Byers and held earlier roles at eVentures and NBC Internet. The two are the primary decision-makers, supported by a small investment team based in Mumbai.

Lightbox invests exclusively through direct equity positions in portfolio companies, typically entering at Seed or Series A and maintaining significant follow-on reserves for later rounds. The firm does not operate as a fund-of-funds and has not publicly disclosed LP commitments to other venture managers.

Lightbox targets Seed, Seed+, and Series A rounds as initial entry points, with a strong pattern of follow-on participation through Series B, C, and later stages within its portfolio. The firm reserves substantial capital per position to support companies across their lifecycle rather than exiting at the first liquidity window.

Lightbox operates as a venture capital firm managing third-party LP capital across a family of commingled funds. It is not a single-family office. The firm raises discrete, closed-end funds — Fund I ($100M, 2014), Fund II (~$100M), and Fund III (targeting $200M, first close 2022) — each with a standard venture-fund fee-and-carry structure.

Lightbox's sourcing advantage stems from Sandeep Murthy's operator network in Indian consumer-internet companies and Sid Talwar's institutional venture relationships from his tenure at Kleiner Perkins. The firm's concentrated portfolio model and board-heavy posture also generate founder referrals within its portfolio ecosystem. Lightbox has not publicly detailed a systematic or data-driven origination engine beyond these GP networks.

Lightbox has historically avoided deep-tech, hardware, biotech, and capital-heavy infrastructure plays. The firm states a consumer-internet focus and has deployed selectively into enterprise and health-tech, but it has not built a track record in industrial technology, semiconductors, or regulated industries. The omission is consistent with the GP backgrounds and fund size.

Lightbox routinely invests alongside other institutional venture firms in syndicated rounds — Dunzo attracted capital from Google and Reliance alongside Lightbox's position, and Rebel Foods raised from Sequoia Capital and Goldman Sachs in addition to Lightbox. The firm does not operate a dedicated co-investment vehicle for LPs and has not publicly marketed co-investment rights as a distinct feature of its fund structure.