

About
"Ceren Cerezci – Founder, Serenity Solutions"​
With over 22 years of experience in marketing, sales, and business excellence, Ceren Cerezci has been a visionary leader in the medical and pharmaceutical industries. Her 18 years at Johnson & Johnson include 12 years in regional roles across the Middle East, Gulf, Saudi, Turkey, CIS, and EMEA regions. ​Ceren’s leadership and expertise have driven double-digit growth, operational efficiency, and award-winning project outcomes. With certifications from Harvard Business School and The Wharton School, she blends strategic acumen with hands-on expertise, making Serenity Solutions a trusted partner for businesses looking to thrive in competitive markets.

About
"Aylin Vardar Coskun" – Executive Consultant Strategic Finance, Serenity Solutions
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With over 21 years of experience, Aylin Coskun Vardar is a forward-thinking finance executive with a holistic business perspective and strong commercial acumen. She empowers companies to achieve sustainable growth by leveraging her distinguished track record across Medical Devices, Pharmaceuticals, FMCG, Telecommunications, and Big 4 consulting. Aylin translates complex financial concepts into actionable strategies, building robust frameworks that drive profitability and optimize cash flow.
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Her agile, solution-oriented approach helps organizations navigate uncertainty, streamline operations, and embed accountability. With a proven record in process redesign, organizational transformation, and digitalization, Aylin fosters high-performing teams and delivers measurable results. As a trusted advisor, she partners with leadership to solve business challenges and implement best practices-bridging financial expertise gaps and enabling long-term success.
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Our Services


Our References
Testimonials
While I was working with Ceren she was a true example of dedicated and passionate employee. Her enthusiasms and positive energy influenced all of us and created very productive working environment. She is very organized and creative person, who challenges 'status quo' and always seeks for new opportunities. Having Ceren in the team or having Ceren as a manager/leader is a huge benefit, since she will always bring the best out of employees and deliver the most effective results.
It was my pleasure to work closely with Ceren in the Mentor EMEA Emerging Market team.
Ceren has a very positive and "get the job done" mentality, working with her has been great.
Ceren combines deep understanding of business with guts. This allows her to thrive in all her endeavors.
As said, for me to have worked with her and during our continuous contact afterwards has given me tremendous appreciation of Ceren as a person as well a a professional.




