EXHIBIT 31.4
CERTIFICATION PURSUANT
TO RULES13a-14(a) OR15d-14(a) UNDER
THE SECURITIES EXCHANGE ACT OF 1934
I, Dave Bruce, certify that:
| 1. | I have reviewed this Amendment No. 1 to the Annual Report on Form10-K of GI Dynamics, 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: April 30, 2018 |
| /s/ DAVE BRUCE |
| Dave Bruce |
Director of Finance, Secretary (principal accounting and financial officer) |
