Krysta Tzelepi, M.A., MCC
Krysta Tzelepi, is a seasoned solution focused leadership coach, and team facilitator with over 2500 hours of coaching executives at all levels. She is the founder, and managing partner of Treasure Lab PC, an International Faculty Member of SolutionSurfers and a Celemi business partner for Greece and Cyprus. Krysta is also a Certified Professional Co-active Coach, an Authorized Team Facilitator by Team Coaching International - TCI and in 2019, she was trained as a PCC Assessor, for the International Coaching Federation-ICF.
With a B.A. in English Literature from the University of Athens, a B.A. in Psychology from Deree College and an M.A. from Tufts University on a full scholarship, Krysta started her career in teaching and later moved to HR for 10 years. She served as a country HR Manager for Marks & Spencer, as country Learning & Development Mgr for Citibank, before making a shift to Learning & Executive Development with her own consultancy firm in 2000.
As an ICF-accredited MCC coach, since 2010, she is one of the pioneers who brought coaching to the Greek market in 2004 and who later introduced solution focused coaching in Greece. Since 2011, she runs the Solution Focused Coaching School- ACSTH, in cooperation with SolutionSurfers International.
Ιn 2022, Krysta, in cooperation with Leda Panayotopoulou, Assistant Professor of the Athens University of Economics and Business designed and implemented the 1st Coaching Research to be done in Greece: Business Coaching Practices in the Greek Market. The results were presented in conferences and published in professional magazines.
Krysta is a founding member and previous President of the ICF Greece Charter Chapter (2021) as well as a founding member of the Hellenic Coaching Association-EMCC.
At Treasure Lab, together with her colleagues and the client, they co-create coaching & leadership development programs. The programs are practical, contain steps, use coaching as a tool for change and bring tangible results. So far, over 4,000 executives have participated in such programs. Clients are large and multinational companies, indicatively: Alpha Bank, BIC, Diageo, Eurobank, Fraport, JTI, Lafarge, Leroy Merlin, L’Oreal, TITAN and others.
As a speaker, she has participated in HR and Management Conferences in Greece, Turkey, Romania etc. as well as TEDx events.
In November 2019, the Coaching program designed for Leroy Merlin, received the only HR Award (Boussias Communication), in the category of Effective Use of Coaching.
In her free time, among other things, she loves lively discussions with friends, lunches with the family, joyous celebrations and enjoying a glass of wine with the Aegean in the background.

Eleni Tzelepi Giannatou, Ph.D
Eleni Tzelepi Giannatou, ACC is a Senior Associate of Treasure Lab PC.
Eleni Tzelepi is a seasoned facilitator, counselor, educational and psychological consultant, and ICF-accredited coach with a multitude of experiences in schools & businesses.
Eleni is an expert in Resilience and Stress Management, with her Ph.D. thesis being on Stress Management in adolescence. She has designed and implemented such programs for teachers, parents, and organizations e.g. Thenamaris, Roche, BIC, etc.
Eleni has also been invited as an expert counselor by the Ministry of Education in Cyprus to implement a series of stress management programs.
As an executive coach, she has coached executives within coaching programs from companies such as BIC, Eurobank, Pirelli, etc.
Apart from working with organizations, Eleni's experience is strongly related to Education. More specifically:
- As a member of the national team of trainers, EOΠΠΕΠ, Eleni was involved in the in-service training of teachers in Greek schools abroad.
- She was involved in the evaluation of programs and laws concerning Special Needs Education.
- She has served as a Special Needs Counselor at the Greek Pedagogical Institute, Ministry of Education.
- She has designed educational programs for teachers that were implemented at a national level.
She has also designed and implemented a two-year program for classroom management in Ellinogermaniki Agogi.
She designs and facilitates parents' workshops, development programs for teachers, and parental counseling/coaching.
She supports children, adolescents, and adults with regular coaching & counseling sessions.
Professional Qualifications
- Solution Surfers Accredited Training Program on Solution-Focused Coaching –ACSTH
- Certified in Applied Neuroscience by the Neuroscience School, approved as CCE by ICF
- Accredited Trainer of Trainers and a trainer in psychology and education - EOΠΠΕΠ
- Researcher in the field of stress, coping, and well-being both at a national and European level, in collaboration with European Research Institutes.
She has published in Greek and International journals, is a speaker/presenter at numerous national and international conferences, presenting her research on stress.
Studies
- PhD in Educational Psychology, University of Patras
- M.A. in Psychology and Education, University of London (Full Scholarship)
- Certificate in Stress Management, London Priory Hospital
- Advanced Diploma in Psychology and Education of Children with SEN, University of London
- B.A. in Education, University of Athens
Memberships
She is a member of the International Coaching Federation (ICF), British Psychological Society, Hellenic Psychological Association (ΕΛΨΕ), International Association of Applied Psychology, European Society of Developmental Psychology, Greek Reading Association, the Stress and Anxiety Research Society.

Nikos Polidis
Nikos Polidis is a Senior Associate of Treasure Lab PC.
Nikos is an experienced team facilitator & certified coach with over 5000 hours of experience in executive and team development.
Having started with a B.A. in Marketing from the American College of Greece, Nikos continued with his diploma in Interior Architecture from Akto School of Design and after a 10-year journey in that field, he decided to dedicate his career to learning and helping others learn, in the business world.
Nikos holds numerous professional certifications in coaching and learning methodologies:
- He has been trained and certified as a coach from the ICF accredited Solution Focused Coaching School – ACSTH by SolutionSurfers and has been certified in General & Specific Coaching Skills – Coaching Evolution.
- He is also trained and certified as a Master Neuro-Linguistic Programming Coach (NLP) from the Hellenic NLP Academy.
- He is a certified facilitator of Playmobil PRO methodology – Actituv Creativa.
- He is an Authorized Trained User of Lego Education WeDo2.0 & Mindstorms EV3,Eduk8, and Facilitator of LEGO® Serious Play® Method, AvMM ACADEMY, and always in love with the combination of learning and playing.
- As a team facilitator/coach, he is an Authorized Facilitator in Team Coaching International’s Team Diagnostic Tools, adding the team assessment element in team performance programs.
- He holds a ChatGPT Training Certificate from Innovation Bound
- He is a certified Adult Trainer from EOPPEP.
Nikos has been serving clients in large organizations, through partnerships in the last 5 years. He has designed and delivered training courses for real estate professionals and other executives.
His CSR activities include designing, developing and delivering over 50 training sessions on computer usage topics, like Skype, Microsoft Office, File organization, etc. for elderly groups of people and offered his training services to NPO “Ark of the World”.
In his free time, he loves to create different things and crafts with his hands, gardening, walking with his two dogs, canoeing and spending valuable time with his daughter.

Alexandra Lekkou
Alexandra Lekkou is a Senior Associate of Treasure Lab PC.
An experienced People Management expert and certified Coach, Facilitator, and Positive Psychology Practitioner, with a genuine interest in people and belief in their potential.
Holding a Master's degree in Psychology (Sussex University) and Bachelor's in Sociology (Panteion University), she built a career in Human Resources Management and Consulting, focused on talent management, leadership development, culture management, employee experience, and well-being.
Over 25 years, Alexandra gained extensive industry experience at large organizations, multinational and Greek, in award-winning HR teams, progressing from regional specialist roles across HR functions (Competence Development and Compensation & Benefits senior specialist at Ericsson) to Senior HR Management roles (Advisor at BP and Senior HR Manager at WIND).
She has also held Consulting roles at the beginning of her career, HR Consultant at Response, and many years later, as Director, Leadership & Organizational Culture at Stanton Chase.
Alexandra has always been working to support individuals and teams to grow and organizations to foster an engaging and enabling culture and has been a key contributor to culture transformation projects and is trusted for her ability to lead change.
She is also passionate about the science of well-being and putting it to practice for bringing positive change, and to that end in 2022 she co-founded theHappyLab.
Alexandra is a member of the International Coaching Federation and the International Positive Psychology Association, she enjoys volunteer work with NGOs and start-ups and acts as Mentor for Women on Top, and Job Pairs, and as a facilitator for Action for Happiness.
In her free time, Alexandra enjoys exercising through dance, “warm” gatherings, and trips abroad with family and friends, as well as quiet time with her pets or by the sea.

Klea Barlou
Klea Barlou is an Associate of Treasure Lab PC.
Klea is a psychologist–psychotherapist with a demonstrated history of work experience in the mental health care industry, as well as a certified solution focused coach and facilitator.
Since 2012 she has an established private practice in Greece, specializing in stress management, resilience, and mood disorders such as depression, anxiety, and eating disorders.
She holds a Bachelor’s Degree in Psychology from the University of Westminster in London and a Master’s Degree in Rational- Emotive & Cognitive Behaviour Therapy from the Goldsmiths University of London.
During her studies in the UK, she has been active in the volunteering field, offering psychotherapeutic support to numerous NGOs (“Westminster Drug Project, Alcohol Resource Centre”) but also in the National Health System (Camden and Islington Foundation Trust, «The Crisis House» and «Connaught Square Practice»).
She has graduated from the Solution Surfers ICF accredited Coaching School - ACSTH and has attended seminars from well-known mental health institutions such as the “Clinical Psychopathology Seminar” from the Greek Psychiatric Association, “Training in Dialectic Behaviour Therapy”, “Cognitive Behavioural Therapy for Eating Disorders” from the Eginition Hospital etc.
She has also been active in the field of research with publications at European Conferences such as the Alzheimer’s European Conference (“Caring For Carers: A 12 week home care program designed to support and educate family carers”) as well as public speeches for training purposes in the Eating Disorders field (“The Greek Association of Behavioral Research: Eating Disorders Diagnosis and Etiology”).
Since 2020 she is working as a psychotherapy teacher for a Cognitive Behaviour Therapy training program in Athens («Center for Applied Psychotherapy and Counseling - Κ.Ε.ΨΥ.ΣΥ»).
Through specialized seminars (“Essential Supervision Skills, British Psychological Association) she is now offering supervision for novice CBT therapists.

Gina Theofilidou
Gina Theofilidou is a Business Support Professional and operates as the Virtual Office Administrator of Treasure Lab PC.
Gina Theofilidou is a highly motivated and skilled Senior Business Support Professional with over 28 years of experience as a Management Assistant covering different positions in Greek and multinational companies.
In 2014 she founded Your Distance Assistance, an Office Administration company that provides outsourcing services:
- Virtual Business Support
- Communication Services
for Entrepreneurs - Small Businesses, and Non-Profit Organizations & Associations.
In parallel, she offers specific training to PA/EAs that want to run their own Virtual Assistant business, helping them to develop their skills and competencies to meet the current requirements and future demands of their role.
She has graduated from Saint George Commercial College (Greek-English Executive Secretarial Studies).
She holds several professional certifications:
- Masterclass in Digital & Social Media Marketing (162 hours) by Knowcrunch.
- Certification in GDPR (GDPR Specialist and DPO) from the University of the Aegean and Vellum Global Educational Services
- From the University of Athens Executive Education (EKPA) in Public Relations-Business Administration, Tourism Management – Marketing, Train the Trainers Integrated Program Education and Exercise with Micro-teaching, Top Management Assistant.
- From ACTA, spin-off Aristotle University of Thessaloniki, CSMA Certification (Certified Secretaries Management Assistants), a unique certification that ensures the professional level of knowledge and skills of the holder at secretarial management.
Currently, she is serving as National Chairman of the International Management Assistants Association in Greece. She has served as National Chairman of the Greek IMA (former European Management Assistants Association) from 2010-2014 and as an Executive PR Officer from 2014-2016 to the Executive Committee of the International Management Assistants’ Association (IMA).
She is also a member of the International Association of Administrative Professionals, Global PA Network, International Virtual Assistants Association (IVAA).
