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EX-32.1 - EXHIBIT 32.1 - ETHEMA HEALTH Corpa50376767ex32_1.htm
10-Q - GREENESTONE HEALTHCARE CORPORATION 10-Q - ETHEMA HEALTH Corpa50376767.htm
EXHIBIT 31.1
CERTIFICATION OF CEO AND CFO PURSUANT TO
PURSUANT TO SECTION 302
OF THE SARBANES-OXLEY ACT OF 2002
 
I, Shawn Leon, certify that:
 
1. I have reviewed this Quarterly Report on Form 10-Q of Greenestone Healthcare Corporation;
 
2. Based on my knowledge, this quarterly  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 quarterly report;
 
3. Based on my knowledge, the financial statements, and other financial information included in this quarterly 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, the periods presented in this quarterly report;
 
4. I am responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15 (f) and 15d-15(f)) for the registrant and have:
 
a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the small business issuer, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
 
b) evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and
 
c) evaluated the effectiveness of the small business issuer's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and
 
d) disclosed in this report any change in the small business issuer's internal control over financial reporting that occurred during the small business issuer's most recent fiscal quarter (the small business issuer's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the small business issuer's internal control over financial reporting; and
 
5. The small business issuer's other certifying officers and I have disclosed, based on our most recent evaluation, to the small business issuer's auditors and the audit committee of small business issuer's board of directors (or persons performing the equivalent function):
 
a) all significant deficiencies in the design or operation of internal controls which could adversely affect the small business issuer's ability to record, process, summarize and report financial date and have identified for the small business issuer's auditors any material weaknesses in internal controls; and
 
b) any fraud, whether or not material, that involves management or other employees who have a significant role in the small business issuer's internal controls; and
 
6. The small business issuer's other certifying officers and I have indicated in this annual report whether or not there were significant changes in internal controls or in other factors that could significantly affect internal controls subsequent to the date of our most recent evaluation, including any corrective actions with regard to significant deficiencies and material weaknesses.
 
 
  Date: August 14, 2012 By: /s/ Shawn Leon
    Shawn Leon, President
    And CEO
 
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