American businessman detained in Yangon amid probe into AmCham Myanmar financial misconduct

What happened

DVB English reports that Adam Castillo, the former president of the American Chamber of Commerce (AmCham) in Myanmar, was detained upon arrival at Yangon International Airport last Thursday. Myanmar police have linked his arrest to a criminal complaint stemming from suspicious financial transactions by former members of AmCham’s board during Castillo’s tenure from 2023 to 2025.

Outside Brief is treating this as a source-led account. Any disputed responsibility, casualty figure, battlefield claim or single-source assertion should be treated as unconfirmed/hearsay unless confirmed by another reliable source or a named official. According to the organization’s May 29 annual report referenced by AmCham’s executive director Myat Phyu The, an internal review unearthed unauthorized agreements and payments, including a contract signed in November 2024 with a Washington-based public relations firm that paid $300,000 USD outside official AmCham accounts. The report states no funds, payments, or services were officially received or disclosed by AmCham, highlighting internal breaches of financial protocols by some former board representatives.

The regime’s Home Affairs Ministry spokesperson Soe Lin Aung confirmed Castillo’s detention but did not provide further details, while the U.S. State Department acknowledged awareness of the reports but declined comment due to privacy concerns. AmCham Myanmar has publicly stated that the board has taken steps to protect the organization’s interests but has not disclosed specific legal actions against the individuals involved.

Known from the source

• Adam Castillo was detained at Yangon International Airport last Thursday.
• He is the former president of AmCham Myanmar (2023-2025).
• AmCham Myanmar conducted a review uncovering suspicious financial transactions by former board members.
• The 2024 contract with a Washington PR firm involved $300,000 USD paid outside AmCham accounts.
• The Myanmar Home Affairs Ministry spokesperson confirmed Castillo’s arrest linked to a criminal case.

What remains unclear

This incident occurs within the fraught context of Myanmar’s ongoing civil conflict and repressive military rule following the 2021 coup against the National League for Democracy (NLD). The uncertain environment has led to heightened surveillance and arrests of foreigners, especially those connected to political and business sectors, underscoring the precarious situation for expatriates and international actors in the country.

What remains unclear: Confirm whether the central claim is corroborated; until then treat it as unconfirmed/hearsay. Official charges filed against Castillo and legal proceedings underway. Details on how many individuals are implicated and their roles. Any direct statements by Myanmar military authorities regarding responsibility or motive.

Evidence note

This story contains report-led claims. The article keeps those claims attributed and treats them as unconfirmed/hearsay unless independently corroborated.

Original source: DVB English. Open the source.