Graduated with honor (MS degree) in 1981 from the Chemistry Department of Kiev State University. Graduate studies in 1981-1984 under supervision of Prof. Skopenko V.V. lead to a successful defense of Candidate of Science thesis in March of 1985. In 1986 - 1993 Dr. Gerasimchuk was an Assistant Professor and Associate Professor of Chemistry at the Chemistry Department of Kiev State University doing teaching and research in the field of synthesis and investigation of ampolydentate ligands and their metal complexes. Practical applications of his research have been reflected in issued five patents about antimicrobial properties of synthesized metallocomplexes.
Since 1993 Dr. Gerasimchuk permanently lives and works in the United States. He published 53 scientific papers and  contributed a chapter into "Encyclopedia of Inorganic Chemistry" (J. Wiley, 1994), presented data at numerous conferences including meetings of the American Chemical Society. In 1996 he received his second PhD degree in bio-inorganic chemistry from the University of Kansas under supervision of Prof. K. Bowman-James. Since 1993 until present he is working in the area of normal and expanded porphyrins and their metal derivatives, pyrrole chemistry.
Dr. Gerasimchuk holds position of Research Chemist at Pharmacyclics, which is California based company developing and marketing of new  energy potentiating drugs for photodynamic therapy.
Areas of research interests of Dr. Gerasimchuk include synthesis of organic and coordination compounds of medical/biochemical interest, medicinal chemistry and physical methods.