Exhibit 24
POWER OF ATTORNEY
 
I, the undersigned Director and/or Officer of Rexahn Pharmaceuticals, Inc., a Delaware corporation (the "Company"), hereby constitute CHANG H. AHN and TAE HEUM JEONG, and each of them singly, my true and lawful attorneys with full power to them and each of them to sign for me, and in my name and in the capacity or capacities indicated below, the Company's Annual Report on Form 10-KSB for the fiscal year ended December 31, 2005, and any amendments thereto.
 
Signature
Title
Date
     
     
/s/ Chang H. Ahn
Chairman of the Board of Directors
March 14, 2006
Chang H. Ahn
and Chief Executive Officer
(principal executive officer)
  
     
 
 
  
/s/ Tae Heum Jeong
Director
March 13, 2006
Tae Heum Jeong
and Chief Financial Officer
(principal financial officer
and principal accounting officer)
  
 
    
     
/s/ Young-Soon Park
Director
March 13, 2006
Young-Soon Park
    
     
     
/s/ John Holaday
Director
March 28, 2006
John Holaday
    
     
 
    
/s/ David McIntosh
Director
March 15, 2006
David McIntosh
    
     
     
/s/ Inok Ahn
Director
March 14, 2006
Inok Ahn