Key legal question
Whether the sole arbitrator had to recuse for indirect personal interest under Art. 34(1)(a) BGG via Art. 18(1) KSG.
Extracted holding
Yes. His position as vice-chair of the lender's board and the loan's direct connection to the dispute created a sufficiently close personal interest and appearance of bias.
Extracted reasoning
The loan to the respondent was linked to the underlying transaction and the arbitrator, as an organ of the lender, had to protect corporate interests and the chance of repayment. This created a tangible personal proximity to the subject matter, and he should have disclosed the facts ex officio.