Key Theranos Witness Tied by Holmes to Other Troubled Labs

  • Ex-lab director also worked at uBiome before its scandal
  • Adam Rosendorff was primary source for WSJ expose on Theranos
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A former Theranos Inc. lab director who was the primary source for media reporting that took down the company came under fire from Elizabeth Holmes’s lawyers over his work for another medical startup that fell into scandal.

Adam Rosendorff, a medical doctor who testified as a government witness at Holmes’s fraud trial that he quit the blood-testing startup in disgust, went on to serve as a lab director at uBiome Inc. -- which collapsed in a morass of insolvency, regulatory probes and criminal charges, similar to Theranos.

Lance Wade, an attorney for Holmes, called Rosendorff “incompetent” and said in court Tuesday he wants to question the witness about his work after he resigned from Theranos at three other labs that had records of deficiencies. U.S. District Judge Edward Davila said he has “qualms” about allowing that line of cross-examination and will make a decision later in the day.