Personnel: Samuel Weinbach at Aleph Alpha (Co-Founder and Co-Chief Research Officer)

NoteThe source text explicitly confirms all key fields in the record. Samuel Weinbach is identified as Co-Founder and Co-Chief Research Officer at Aleph Alpha in the leadership section. The organization is Aleph Alpha. The only field not directly addressed in the source is the startDate of 2019, which is unverifiable from this excerpt but does not contradict any information provided. The role and organizational affiliation are clearly confirmed.