**EXHIBIT 31.1****CERTIFICATION OF PERIODIC REPORT**I, Andrew Drenick, certify that: 1. I have reviewed this quarterly report on Form 10-KSB of QualMark Corporation (the“small business issuer”);  2. Based on my knowledge, this report does not contain any untrue statements of materialfact or omit to state a material fact necessary to make the statements made, in light ofthe circumstances under which such statements were made, not misleading with respect to theperiod covered by this report;  3. Based on my knowledge, the financial statements, and other financial informationincluded in this report, fairly present in all material respects the financial condition,results of operations and cash flows of the small business issuer as of, and for, theperiods presented in this report;  4. The small business issuer’s other certifying officer and I are responsible forestablishing and maintaining disclosure controls and procedures (as defined in Exchange ActRules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined inExchange Act Rules 13a-15(f) and 15d-15(f)) for the small business issuer and have:   a) Designed such disclosure controls and procedures, or caused such disclosure controls andprocedures to be designed under our supervision, to ensure that material information relatingto the small business issuer, including its consolidated subsidiaries, is made known to us byothers within those entities, particularly during the period in which this report is beingprepared;   b) Designed such internal control over financial reporting, or caused such internal controlover financial reporting to be designed under our supervision, to provide reasonable assuranceregarding the reliability of financial reporting and the preparation of consolidated financialstatements for external purposes in accordance with generally accepted accounting principles;   c) Evaluated the effectiveness of the small business issuer’s disclosure controls andprocedures and presented in this report our conclusions about the effectiveness of thedisclosure controls and procedures, as of the end of the period covered by this report basedon such evaluation; and   d) Disclosed in this report any change in the small business issuer’s internal control overfinancial reporting that occurred during the small business issuer’s most recent fiscalquarter that has materially affected, or is reasonably likely to materially affect, the smallbusiness issuer’s internal control over financial reporting; and  5. The small business issuer’s other certifying officer and I have disclosed, based on ourmost recent evaluation of internal control over financial reporting, to the small businessissuer’s auditors and the audit committee of small business issuer’s board of directors (orpersons performing the equivalent function):   a) All significant deficiencies and material weaknesses in the design or operation of internalcontrol over financial reporting which are reasonably likely to adversely affect the smallbusiness issuer’s ability to record, process, summarize and report financial information; and   b) Any fraud, whether or not material, that involves management or other employees who have asignificant role in the small business issuer’s internal control over financial reporting.Date: March 28, 2008                                                                              /s/ Andrew Drenick   Andrew Drenick   President & Chief ExecutiveOfficer