Exhibit 31.1
CERTIFICATION PURSUANT TO
SECTION 302 OF
THE SARBANES-OXLEY ACT OF 2002
I, Brian M. Culley, certify that:
| 1. | I have reviewed this Amendment No. 2 on Form 10-K/A to the annual report on Form 10-K of BioTime, Inc.; and |
| 2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report. |
Date: May 1, 2019
| /s/ Brian M. Culley | |
| Brian M. Culley | |
| Chief Executive Officer | |
| (principal executive officer) |