# Thomas Shields – Cal.com booking page > Based in New York City, Thomas Shields is the Founder and Managing Partner of Shields Group Search (SGS), an executive search and recruitment firm specializing in high-growth, venture-backed startups from Seed through Series C. He partners directly with founders, executives, and investors to build high-performing teams across engineering, artificial intelligence, go-to-market, and executive leadership, with a particular focus on critical early-stage and scaling hires. Beyond recruitment, Thomas is an investor and Limited Partner in Winner Capital, an early-stage venture capital fund focused on backing the next generation of innovative technology companies. His involvement in venture capital, alongside his experience advising startups on talent strategy, gives him a unique perspective on what it takes to build and scale successful businesses. Through SGS, Thomas works closely with the broader venture ecosystem, including partnerships with LvlUp Ventures and NextUp Incubator, supporting ambitious founders and their portfolio companies as they grow. SGS operates on a success-based recruitment model with no upfront fees, combining a deep network of startup-minded talent with a highly personalized, founder-focused approach. Whether you're building your team, exploring a strategic recruitment partnership, or looking to connect within the startup and venture ecosystem, feel free to book a time to connect.** Booking page: https://cal.com/thomas-shields ## Event types - [30 Min Meeting](https://cal.com/thomas-shields/30min): 30 min, confirmed instantly, event type id 639927. Details: https://cal.com/thomas-shields/30min.md - [15 Min Meeting](https://cal.com/thomas-shields/15min): 15 min, confirmed instantly, event type id 639928. Details: https://cal.com/thomas-shields/15min.md - [Recruitment Sync](https://cal.com/thomas-shields/recruitment-sync): 15, 30 min, confirmed instantly, event type id 3879162. Details: https://cal.com/thomas-shields/recruitment-sync.md ## Check availability ```http GET https://api.cal.com/v2/slots?eventTypeId=&start=YYYY-MM-DD&end=YYYY-MM-DD&timeZone= cal-api-version: 2024-09-04 ``` The response is `{"data":{"YYYY-MM-DD":[{"start":""}]}}`; no API key is needed. ## Book Each event type's `.md` document lists its required booking fields and the `POST https://api.cal.com/v2/bookings` request (`cal-api-version: 2026-02-25`). ## More - API docs: https://cal.com/docs/api-reference/v2/introduction