# Michael Share

> Michael Share is the Boston-based co-founder and co-CEO of Blockskye, a corporate travel, payment and data infrastructure company founded in 2017. He previously helped build SeaGate Advanced Travel/HRG North America and was president of the combined Sea Gate/Advanced Travel business in 2002. His work centers on direct supplier relationships, connected transaction records and corporate travel operations.

- **Role:** Co-founder and Co-CEO at Blockskye
- **Organizations:** Blockskye, Advanced Travel Group, Sea Gate/Advanced Travel, SeaGate Advanced Travel/HRG North America, Next Corporate Travel, Harvard Business School (volunteer mentor)
- **Education:** Université Paris-Sorbonne, Undergraduate degree, University of California, Los Angeles
- **Known for:** Co-founded Blockskye in 2017., Helped build SeaGate Advanced Travel/HRG North America., Became president of the combined Sea Gate/Advanced Travel business, projected at more than $650 million in annual volume in 2002.

## Career timeline

- **2002** — President of Advanced Travel Group; became president and one of three owners of the merged Sea Gate/Advanced Travel business in July.
- **2005** — Hogg Robinson acquired Sea Gate; Share was identified as head of sales and marketing in the retained management.
- **2012** — Began volunteer mentoring and independent-project work with Harvard Business School students, according to his LinkedIn profile.
- **2015** — Brought Brook Armstrong into corporate travel, according to their subsequent founders’ account.
- **2017** — Co-founded Blockskye.
- **2019** — Described as Blockskye president and co-founder when ARC invested following a ticket-settlement proof of concept with United Airlines.
- **2023** — Blockskye supported direct payments in KAYAK for Business Enterprise.
- **2025** — Confirmed Deloitte as a customer; Blockskye announced ALTOUR partnership and a $15.8 million funding round.
- **2026** — Co-CEO during the announcement of a planned joint enterprise offering with FCM and KAYAK for Business.

## Achievements

- Co-founded Blockskye in 2017.
- Helped build SeaGate Advanced Travel/HRG North America.
- Became president of the combined Sea Gate/Advanced Travel business, projected at more than $650 million in annual volume in 2002.
- Co-led Blockskye as it developed enterprise travel and payment relationships with KAYAK for Business and major corporate customers.

## Latest updates

- **2026-10** — Blockskye published a founders’ account by Brook Armstrong with contributions from Michael Share on October 1.
- **2026-10** — Listed for an October 15 Business Travel Show America session on travel-program business models; a subsequent company post reports his question about how agencies make money.
- **2026-05** — Blockskye, FCM and KAYAK for Business announced plans for a joint enterprise product; Flight Centre Travel Group also invested.

## Links

- Website: https://www.blockskye.com/
- LinkedIn: https://www.linkedin.com/in/mshare

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Profile page: https://yespress.io/michael-share
Published by YesPress — https://yespress.io
Last updated: 2026-10-21