Summary
Overview
Work History
Education
Skills
Websites
Accomplishments
Certification
Languages
Timeline
Generic

SIRIN YELMEN OKTAR

635 Arncliffe Ct, Alpharetta,GA

Summary

ICF Master Certified Coach ranked in the top 4% globally, with over 20 years of experience in developing and implementing coaching and leadership strategies for global organizations in retail, cosmetics, and industrial sectors. Expertise in aligning business growth with people strategy and culture transformation in complex environments. Recognized as a trusted advisor to C-suite executives and senior leadership teams, driving impactful results.

Overview

14
14
years of professional experience
1
1
Certification

Work History

HR Professional & Executive Coach

Mexico El Don’s Restaurants Chain
12.2025 - Current
  • Designs and delivers leadership acceleration programs that strengthen resilience, influence, and organizational vision.
  • Leads career transformation journeys for executives in transition - from role expansion to board readiness.
  • Advises on Employee Experience (EX) strategy, aligning culture, engagement, and performance across the organization.
  • Implemented data-informed coaching and leadership frameworks, linking behavioral change to business outcomes; enabled organizations to track leadership effectiveness, reduce attrition, and improve internal mobility.
  • Built healthy, sustainable leadership cultures, reducing burnout risk and improving psychological safety; contributed to %3 decreases in stress-related turnover and higher retention of critical talent.
  • Streamlined onboarding processes, enhancing new hire experience and retention rates.
  • Developed and implemented recruitment strategies to attract top talent for restaurant locations.

Sales Director – Turkey

Oriflame Cosmetics
05.2025 - 11.2025
  • Drove full-cycle sales and growth strategy, achieving 3% revenue growth in Turkish market.
  • Pioneered performance-driven coaching culture through individual and group executive coaching for Brand Partners in the direct selling model.
  • Leveraged MCC expertise to enhance business acumen and leadership competencies, increasing top-tier leader retention by 7%.
  • Directed competitive analysis and market forecasting, synthesizing global and local customer insights.
  • Adjusted commercial tactics to ensure agility and relevance in Turkey's beauty and direct-selling market.

Human Resources Director – Turkey & Africa

Oriflame Cosmetics
04.2023 - 06.2025
  • Directed HR operations across five markets, ensuring compliance and cultural alignment with strategic goals.
  • Spearheaded change initiatives, reducing HR-related risk by five percent through policy implementation.
  • Led leadership training for 600 employees, enhancing future executive capacity.
  • Coached senior executives to improve leadership performance regionally.
  • Authored employment policies with managers and unions, fostering positive work culture and well-being.

Corporate Coach & Leadership Development Lead

LC Waikiki
07.2014 - 04.2023
  • Coached 40+ senior and mid-level leaders to achieve Objective & Key Results (OKRs), resulting in 15–25% improvements in team performance metrics and clearer execution alignment.
  • Designed and delivered multi-level “coach-the-coach” programs for 30+ internal leaders, building scalable coaching capability and reducing external coaching dependency by 35%.
  • Managed an internal trainer and coach ecosystem of 15+ practitioners, establishing standards, supervision, and development pathways to ensure organization-wide coaching sustainability.
  • Provided real-time, shadow coaching and feedback for high-stakes leadership roles, accelerating behavior change and improving executive effectiveness within 3–6 months.
  • Developed inclusive leadership resources and training programs reaching 2000+ employees, increasing awareness of inclusive behaviors and strengthening cross-team collaboration.
  • Led diversity and inclusion initiatives, contributing to measurable gains in engagement and inclusion survey scores across leadership and employee populations.
  • Cultivated a culture of continuous improvement among internal coaches and leaders through regular supervision, feedback loops, and capability reviews, improving coaching quality and consistency.
  • Aligned coaching practices with organizational strategy, ensuring leadership development directly supported business priorities, OKRs, and talent succession plans.

Learning Development Business Partner

Istanbul Drama Art Academy
12.2011 - 06.2014
  • Acted as a strategic change agent, leading the adoption of modern learning and development models across the organization; supported 3–5 enterprise initiatives, accelerating learning uptake and capability alignment.
  • Collaborated with senior management and subject matter experts to design 25+ group and individualized learning plans, improving skill readiness and supporting priority business goals.
  • Delivered expert consultation to leaders on facilitating team learning and leveraging data analysis, enabling data-informed decision-making and stronger performance conversations.
  • Developed executive-level presentations and insight reports for key stakeholders, translating complex data into actionable strategies and improving leadership alignment and buy-in.


Earlier HR and Finance leadership roles are available upon request.

Education

Master of Arts - Psychology

Altınbaş University
Turkey
07-2022

Bachelor of Science - Business Economics

Uludag University
Turkey
06-2004

Skills

  • Leadership growth
  • Effective change implementation
  • Sales team training and guidance
  • Employee engagement initiatives
  • Coaching and guidance

  • Workforce optimization
  • Relationship building
  • Workplace culture
  • Human resources management

Accomplishments

  • EMCC Global 2018 Best Coaching Program Award
  • Winner Digital Storytelling Award for Women's Empowerment

Certification

  • Talent Q Personality Assessment Assessor- Talent Q

(August 2023)

  • Talent Q 360 Feedback Assessments Assessor-Talent Q

(August 2023)

  • Assessment Center Observation Certificate-FlowQ Talent Analytics (May 2022)
  • The Magic of Situational Self Leadership Training for Trainers-Ken Blanchard

(November 2021)

  • Conflict Management Coaching Certification-Cinergy Coaching

(April 2018)

  • Shared Leadership Certification- Koç University

(March 2016)

  • Team Coaching-Certificate-Organization & Relationship Systems Coaching (ORSC)

(January 2014-2018)

  • Holistic Quantum Coaching Certificate- Life Coach Academy

(May 2012)

  • Professional Coaching Certificate- Adler Learning&Toronto University/ Canada- Turkey- (December 2010-2011)

Languages

English
Professional Working

Timeline

HR Professional & Executive Coach

Mexico El Don’s Restaurants Chain
12.2025 - Current

Sales Director – Turkey

Oriflame Cosmetics
05.2025 - 11.2025

Human Resources Director – Turkey & Africa

Oriflame Cosmetics
04.2023 - 06.2025

Corporate Coach & Leadership Development Lead

LC Waikiki
07.2014 - 04.2023

Learning Development Business Partner

Istanbul Drama Art Academy
12.2011 - 06.2014

Master of Arts - Psychology

Altınbaş University

Bachelor of Science - Business Economics

Uludag University