Our Team and Coaches

Meet our professional team and coaches behind SparkUs success

Leadership Team

Özlem Sarıoğlu

Managing Partner, Professional Coach, PCC

Özlem Sarıoğlu began her professional career as a consultant at PwC, where she advised financial institutions on their global structuring and gained coaching experience as a manager. Özlem has been selected by the International Coach Federation (ICF) as one of the six honourees of the Young Leader Award in 2019 to carry coaching into the future. Having the PCC credential from the ICF, she has more than 1500 hours of coaching experience. She is also a volunteer in the Development team of EMCC Global.

Dani Benreytan

Managing Partner, Design and Business Development

After completing a Master of Design at the Domus Academy, Dani Benreytan started his career as a design management consultant, where he helped companies to build their brands. At SparkUs, Dani spearheaded the concept of turning traditional coaching into a gamified online coaching platform. By transforming what used to be a face-to-face service to a self-serving gamified digital coaching tool, SparkUs was able to reduce costs drastically and expand coaching services to masses.

Meriç Arslan

Project Manager/Customer Excellence

After graduating from Marmara University with a Bachelor of Science in Sociology, Meriç worked in HR and Account Management. At SparkUs, Meriç manages the proposal process for new customer acquisition and ensures customer excellence.


Pınar Dolarslan

Professional Coach, MCC

Pınar is a member of the International Coach Federation (ICF) and ICF Turkey. With over 3,000 hours of coaching experience, she has been credentialed by ICF and holds the title of Master Certified Coach (MCC). She supports coaches in the ICF credentialing process as a Mentor Coach.

Nehad Tadros

Professional Coach, MCC

Nehad Tadros is an executive master coach-MCC-ICF located in the United Arab Emirates-UAE. Nehad has 27 years’ experience working to help leaders, teams and organization become more effective and enhance performance and growth. Nehad partners and collaborates with executives and leaders in mid to large size companies to accelerate their ability to build and thrive with a results-oriented and compassionate approach. Her passion lies in working with people and helping them achieve the goals and outcomes.

Prajna Paramita

International Executive and Leadership Coach, Senior Practitioner

Paramita’s career includes diplomacy, strategic communication & business development. With 6,000+ hours of coaching across multiple sectors & geographies, she helps clients enhance their authenticity, purpose & resilience, using emotional, social, relational & cultural intelligence, Positive Psychology & Neuroscience. She combines a unique blend of outward-focused Western pragmatism with the inward gaze of Eastern contemplation.

Veena Pillai

Professional Coach, PCC

Veena Pillai started her corporate career as an HR Professional, with GE Group of Companies. As an ICF Certified Executive & Leadership Coach, she works with C-Suite executives, business leaders, functional heads and Hi-Potentials in enhancing business acumen & leadership competencies. With 2500+ coaching hours, she contributes to various industries like Pharma, Banking & Insurance, IT, Telecom, Manufacturing & Automobile. Veena has created new models of coaching to fit the requirement of group and 1:1 coaching.

Yüsra Soyak

Leadership Consultant, Executive Coach, PCC

Yüsra works as an Executive Coach and Career Coach. She has received her initial coaching training from the Coach Training Institute and is an ICF-Credentialed coach (PCC – Professional Certified Coach) with over 500 hours of coaching. She is also an active member of the European Mentoring and Coaching Council (EMCC) and takes part in the EMCC Audit Committee and the Supervision Group.

Claudia Ritter

International Executive & Leadership Coach Senior Practitioner

Claudia’s career encompasses political, strategic & intercultural communications. With 2,000+ hours of coaching across multiple sectors & geographies, she uses a strengths-based approach to help clients uncover what makes them unique to achieve their objectives. Her interventions are both anchored in the reality of international organizations and informed by research disciplines including social and cultural intelligence, emotional competence, and Positive Psychology & Neuroscience.

Marcella Segala

PCC, CPCC, Team Effectiveness Specialist Coach

Marcella works with teams and leaders supporting them in gaining clarity, strengthen communications, and improve performance and turn strategy into results.
She is an Advanced Practitioner of the Team Diagnostic Survey, a Professional Certified Coach (PCC), she also holds a Co-Active Professional Coaching Certification (CPCC), an Organization Relationships Systems at Work certificate, and she is a DISC communication styles and Motivators coach.

Julie Kay

Professional Coach , PCC

Following a successful 21 year career in the British Royal Navy where she was promoted through the ranks to become a commissioned officer, Julie built a second 21 year career as a leadership coach. She has coached leaders at all levels, across all sectors and sizes of organisation. She is a Professional Certified Coach (ICF) with 3000+ coaching hours, an Ashridge Accredited Executive Coach (Ashridge Hult International Business School) and is currently an Engagement Tutor on Oxford University/Said International Business School’s Women’s Leadership Development Programme.

Priya Venkatesan


Priya Venkatesan, PCC, has around 20 years’ experience, 15 years in the corporate sector & 5 years in coaching. She is a leadership coach who works with business leaders to help them change and grow into better versions of themselves. Her coaching enables leaders achieve career growth, better their performance and scale organizations. She also helps them transition into new roles, manage work relationships and action positive behaviors.

Deniz Hüsrev

Professional Coach, PCC

Deniz completed her Master’s degree at the University of East London in Applied Positive Psychology and Coaching Psychology. Her interest in positive psychology and coaching steered her towards the co-active coaching program with the ICF-accredited coaching school, Coaches Training Institute (CTI) and the Organization and Relationship Systems Coaching (ORSC) program. She is a Professional Certified Coach (PCC).

Zeynep Yetkin Yılmaz

Executive & Team Coach (PCC), SIY Certified Teacher

Zeynep’s passion to empower people through positive transformation led her to coaching. She is currently an ICF certified PCC coach, an Organisational System coach, and a mindful leadership trainer. Her 14 years of leadership experience in corporate banking and is certified as a Google born Emotional Intelligence program Search Inside Yourself trainer enables her to connect with people under stress and provide mindfulness and neuroscience-based methods to achieve resilience and balance.

Arzu Pervizpour

Professional Coach, Trainer Consultant, PCC

Arzu is an ICF certified (PCC) coach with an undergrad degree in Psychology and a Masters degree in Human Resources Development from Villanova University, USA. She has over 20 years of leadership experience in HR which she utilizes today in helping her clients achieve business results and become better leaders. Her passion lies in seeing people own up their strengths and reach their potential for a life lived happier.

Mete Yazıcı


Mete Yazıcı is a tri-lingual and multi-cultural coach in Japan. He worked in Financial Services, Insurance, and Legal Services for more than 22 years and has been a coach since 2015. He managed teams of Japanese professionals and enjoyed developing organizational capabilities. He is running his own company focusing on Executive Coaching and Training, also lectures at Temple University Japan Continuing Education and Rikkyo University Master of International Business Programs.

Vicdan Merter

CPCC, PCC, ORSC Facilitator, Jungian Coach

Vicdan has 25 years of experience in multinational companies as Senior HRD with strategic business
partnering, large-scale and complex change management skillset. She is certified by Coaching
Training Institute (CPCC) and accredited by ICF (PCC). She works as an executive and team coach and
designs, delivers team development workshops. She also teaches internationally with Jungian
Coaching School as one of the Program Leader.

Can Karaburçak

Professional Coach , PCC

Can has over 20 years of experience in various levels of management in the production, retail, finance sectors and banking. She was mainly responsible for sales throughout her career. Beginning in 2006, she focused on personal growth programs to deliver her expertise in management and communication areas with a scientific and solid approach. As a Coach, she focuses on executive and team coaching in organizations. Can also designs and delivers soft skill training programs. She has written a book that introduces coaching through a real-life story.

Zeynep Karasoy

Professional Coach, ACC, CPCC

With 12 years of experience in HR, Zeynep has worked in talent management, corporate training and development, and individual development. She has completed the Coaches Training Institute’s (CTI) Co-Active Coaching Training Program and the CTI-Certified Professional Co-Active Coach (CPCC) Certification Program

Evangelos Bertsekas

Professional Coach

Evangelos is a coach with a focus on leadership development and an interest in empowering individual growth and transformation.
His coaching philosophy is that leadership development is about leading yourself by knowing yourself. He is a true believer of metanoia, an ancient Greek concept which means a transformation of heart and mind.

Desi Jagger

Leadership Coach, CPCC

Through her coaching, Desi helps Changemakers to engage people, to develop self-worth and to focus on what matters most. From her 7 year in Procter & Gamble, Desi understands the challenges that professionals face. She also knows that there is more to people than their 9 to 5. Desi is also a cancer survivor. She has seen how mental clarity can help us overcome the toughest challenges. Her clients walk away more self-aware, able to engage and more focused than when they began coaching.

Kathrin Dahm

Professional Coach

Kathrin is a certified business coach who believes in the potential of people to learn and grow. Her passion lies in supporting individuals and teams to thrive. She loves to create experimential insights and stimulate meaningful reflections whilst building on peoples’ own experiences. She creates an atmosphere of openness and trust allowing real insights to happen. In doing so she brings her 20 years of experience from strategic and operational human resources functions in the international industry.

Sofieke Suidman

Life and Leadership Coach

Sofieke is a life and leadership coach. She holds degrees in both Medicine and Psychology. She is deeply interested in people and their potential. It’s her deep belief that every person should invest in developing himself or herself from the core of their soul, personality, unique talents, and gifts. With her coaching, she assists people to become aware of who they are, to overcome limiting beliefs, to make their own authentic choices and to find the courage to make the right decisions.

Colleen Slaughter Raue

Life and Leadership Coach

Colleen Slaughter Raue’s has worked worldwide with Fortune 500 companies, NGOs and nonprofits, and business leaders from 50 countries. With 1000+ hours of coaching conversations and 20 years practicing leadership development, she has extensive experience working with C-level leaders operating in global locations. Colleen is a specialist in all aspects of leadership effectiveness, political savvy, and strategic influence. Colleen holds several certifications in the business, coaching, and facilitation fields to help leaders achieve big impacts to their organizations.

Gunjan Sinha

Executive & Performance Coach, Life Coach, EMCC & ACC

With 14 years of experience, Gunjan has a unique approach to coaching. She is blessed with a creative bent and this reflects in every aspect of her coaching programs. While her focus is on supporting individuals to develop leadership acumen and achieving professional goals, her art inspired dynamic methods and creative interactions are what stand her apart. She coaches executives, individually or in groups to help them improve their ability to lead their organizations towards sustainable growth.
As a rich background in Human Relations, Gunjan brings in empathetic attitude, emotional intelligence, integrity, patience, trust, social responsibility, and great communication skills.

Meg Mateer

Professional Coach

Meg Mateer helps her clients succeed by facilitating contexts for personal and group transformation. She takes an interpersonal approach to systems change and a systemic approach to personal insight. She brings a combined ten years of experience in business strategy, change management, psychology, and learning design, including seven years of consulting at big 5 firms. She believes in the power of diversity and thinking outside of the box in creating sustainable positive change.

Buket Özdel

Professional Coach, CPCC

With 16 years of experience in HR, Buket received the International Professional Coaching Certificate from the Coaches Training Institute (CTI). She also completed CTI’s Co-Active Leadership Program, recognised as one of the best in the world. As of 2016, she continues the same program in Spain as an Assistant to the Leaders team.

Özüm Özbay

Career Coach & Counselor

Özüm is experienced in providing career counselling, coaching and advisory services to young interns, university students and mid-to-senior level executives.

Fulya Sönmez

Co-Active Coach, Facilitator, MA, MSc, CPCC

Fulya has completed post-graduate level studies in areas of organisation, leadership, decision-making and governance at Istanbul Bilgi University and at the London School of Economics. She works as a consultant and supports different organisations in various sectors as a coach and facilitator, with a special focus on leadership skills development and change management. She has completed the Coaches Training Institute’s (CTI) Coaching Training and Certification Program.

Supervisory Board

Vivi Soryano


Before becoming a body psychotherapy practitioner, Vivi started as an entrepreneur and a career coach. As a coach, she helped people attune to their potential and take initiative for a career, aligned with their “Presence”. 
Now, incorporating her training in Sensorimotor Psychotherapy and Core Energetics into her “Cultivating Presence” practice, she enables her clients to self-actualize. She helps them become resilient, achieve fulfilment and presence-based leadership through centeredness practices.

Gürkan Sarıoğlu

Board Member

Gürkan Sarıoğlu, BSc EE, PCC. Gürkan is specialized in business and leadership coaching with a background of thirty-seven years of corporate life experience in ICT sector gained in Turkish Telekom, IBM Turkey, STFA Group, Ericsson Turkey and Turkcell. He is now serving on the ICF Independent Review Board since Apr. 2016. He led the 2018 ICF Ethics Code Review Team. He served as an ICF Turkish Chapter leader (2010 –2012) and as a founding member of the EMEA Regional Advisory Board (2014 – 2016).

Yusuf Biton

Board Member

Yusuf was born in 1954 in Istanbul. He graduated from Galatasaray High School and ITU Faculty of Electricity. He entered the computer business in the 1980s and brought Commodore computers to Turkey. Yusuf built the first domestic assembly computers in Turkey. In the 1990s, he became the managing partner of the largest computer parts distributor company in Europe. After this distributor company was sold, he set up a factory on plastics with the same business partners, which was also sold to a European company. Currently, he is an angel investor for high tech companies like SparkUs.

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