Stefan-Cosmin Ionescu
@stefan-cosminionescu
I improve hiring, research, education, and customer operations through data-driven execution.
What I'm looking for
I'm currently supporting executive search at Dr. Pendl & Dr. Piswanger Romania, where I source, qualify, and place candidates using LinkedIn Recruiter and Ezekia. I contributed 35% of required monthly hires, reduced time-to-fill by 30%, and exceeded client DEI and offer-acceptance metrics.
I've also taught statistics and data science at the University of Bucharest and SNSPA, using Excel, SPSS, Stata, and R to strengthen student learning. My curriculum redesign increased project submissions by 60% and exam scores by 36%, while my mentoring supported more than 40 students with thesis preparation and research papers.
Across customer support, public administration, and education operations, I've delivered process improvements, reliable research coordination, and stakeholder communication. At Qualitest, I reduced ticket resolution time, churn, and onboarding time while improving customer satisfaction, team productivity, and first-call resolution.
Experience
Work history, roles, and key accomplishments
HR Analyst
Dr. Pendl & Dr. Piswanger Romania SRL
Mar 2026 - Present (5 months)
Sourced, approached, qualified and placed 35% of the required 30 hires/month using LinkedIn Recruiter, contributing to the client’s expansion goals and reducing the average time-to-fill by 30%. Exceeded the client’s DEI metrics by 25% and offer acceptance rate by 40% by effectively communicating with candidates through multiple media channels.
Teaching Assistant
University of Bucharest
Oct 2025 - Jan 2026 (3 months)
Enhanced student understanding of statistics and data science using Excel, SPSS, Stata, and R. Increased project submissions by 60% and exam scores by 36% by redesigning the curriculum.
Teaching Assistant
National School of Political and Administrative Studies (SNS
Mar 2024 - Feb 2025 (11 months)
Improved student satisfaction rate by 75%, as measured by post-course feedback surveys. Decreased final year grade retention by 28% via personalized one-on-one E-learning sessions.
Exceeded all relevant KPIs, including a 15% reduction in average ticket resolution time, 10% reduction in churn rate and 20% increase in customer satisfaction score. Trained and mentored new agents, reducing their onboarding time by 30%, thus improving team productivity by 25% and first-call resolution rate by 12% while reducing the average handle time by 10% within 3 months of coordinating daily
Public Administration Specialist
University of Bucharest
Jun 2022 - Jan 2023 (7 months)
Coordinated 100+ educators from a nationally representative sample for the TIMSS and ICILS 2023 assessments, collecting data with 100% integrity score from thousands of students while adhering to international protocols and stringent deadlines.
Administrative Assistant
Tulcea Center for Educational Resources and Assistance
Streamlined project documentation, which reduced administrative overhead and ensured accuracy for monthly external audits, helping to secure continued funding by meeting tight deadlines. Coordinated educational programs that reached over 200 students and 50 teachers, contributing to a 40% reduction in early-school dropout rates for at-risk youth.
Sales Assistant
Direct Client Services SRL
Exceeded monthly sales targets by an average of 30% over a six-month period using CRM software like Zoho and HubSpot, resulting in a 15% increase in average transaction value, thus contributing to the store's overall revenue growth by 12%. Managed and resolved an average of 50+ customer inquiries per day, achieving 74% customer satisfaction rating on internal surveys by providing personalized reco
Assistant Manager
International House / English Kids Academy
Managed daily center scheduling, student enrollment databases, classroom allocation, course attendance, seasonal retention, substitute coverage, and resource tracking across multiple branch locations in compliance with internal quality standards, serving as primary point of contact for parents and teachers.
Education
Degrees, certifications, and relevant coursework
University of Bucharest
Doctor of Philosophy, Psychology
2023 -
Pursuing a PhD in Psychology at the University of Bucharest.
National School of Political and Administrative Studies
Bachelor of Science, Psychology
Earned a Bachelor of Science in Psychology from the National School of Political and Administrative Studies.
University of Bucharest
Bachelor of Science, Biochemistry
2022 - 2023
Earned a Bachelor of Science in Biochemistry from the University of Bucharest.
University of Bucharest
Bachelor of Science, Political Science
Earned a Bachelor of Science in Political Science, with the full curriculum taught exclusively in English.
University of Bucharest
Master of Arts, History and Philosophy of Science
2019 -
Earned a Master of Arts in History and Philosophy of Science from the University of Bucharest.
National School of Political and Administrative Studies
Bachelor of Arts, Communications and Public Relations
Earned a Bachelor of Arts in Communications and Public Relations from the National School of Political and Administrative Studies.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
Skills
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