Graduated from Kyiv National Economy Institute named after Korotchenko D. (now KNEU), has gone from assistant to professor and head of the department, has practical experience in the company and in the field of audit activity, overseas internships.
In 2004 Petryk Olena defended her doctoral dissertation on the topic "The state and prospects of audit development in Ukraine: methodological and organizational aspects".
Certified auditor of Ukraine since 1995, member of the expert council of the Higher Attestation Commission of Ukraine from 2005 to 2011, from November 2011 to January 2014 was member of the expert council on sectoral development and entrepreneurship of the Ministry of education and science of Ukraine, personnel certification department, member of the specialized academic council of the KNEU named after Vadym Hetmanfor the defense of doctoral and candidate's theses in the specialty "Accounting, analysis and audit", a member of the editorial board of several professional editions, expert of the higher accreditation commission of the Ministry of education and science of Ukraine, specializing in accounting and taxation.
Cooperates with professional organizations of accountants and auditors, is a participant of the World bank STAREP project.
Academician of the Academy of economic sciences of Ukraine, specializing in accounting and auditing.
Guarantor of the educational-professional program "Digital-Accounting" at the first (bachelor's) level in specialty 071 "Accounting and taxation".
Carries out scientific supervision of master's theses, researches of postgraduate students and doctoral students.
in 2006 was awarded the sign "For scientific achievements" of the Ministry of education and science of Ukraine;
in 2012 was awarded the Badge "Honored worker of the KNEUnamed after Vadym Hetman";
in 2016, for personal achievements in the field of audit activity, as well as the development of the accounting profession, for the permanent organizational and other support of the ACU, was awarded the "Honorary Diploma of the Audit chamber of Ukraine";
in 2016, for the active long-term promotion of audit activity in Ukraine, the UNGO "Union of auditors of Ukraine" awarded the "For high professionalism" breastplate;
in 2017, for a significant personal contribution to the training of highly qualified specialists, many years of fruitful work and high professionalism, the decision of the meeting of the Cabinet of ministers of Ukraine was awarded the Honorary diploma.
She has a number of honors from KNEU, including awards to the KNEU diploma of Honor for the achievement of high successes in innovation activities in 2017