Generally speaking, getting a certificate from a renowned instructor will serve you well in the future, not to mention, you'll actually learn. The certifications provided by instructors we referred to here, like Ben Sullins and Joshua Rischin, will improve your BI career. Furthermore, certificates provided by Harvard university will have the same effect.
You can pursue other senior-level certificates, like Certified Business Intelligence Professional (CBIP) and IBM Certified Designer: IBM Cognos Analytics Author V11, both of which will be a highlight in your BI career.