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About Us

Our Mission

To provide the right skills and practices for creating a culture of continuous excellence and innovation & to enable growth.  

Our Goal 

To work with our clients relentlessly to embrace Excellence and delivered bottom-line results in a short Cycle time.

Meet the Team

CEO and President of XI Horizons

Dr. Abdelhakeem Hammad


  • B.Sc. Mathematics & statistics

  • M.Sc. Industrial & Financial Applied Mathematics

  • PhD. Mathematical Modelling & Simulation

  • Certified Six-Sigma Master Black Belt (Dell + Motorola)

  • Certified  Change  Management 

  • Lean System certification, Toyota & University of Kentucky


  • Highly dynamic, results-driven and diversely qualified internationally (over more than 30 countries worldwide) business professional  with over 25 years of experience in multinational corporate like Dell, Boston Scientific, Abbott, Nestle, UPS, Philips Medisiz, Lynx,…

  • Shingo Certified Facilitator and Affiliate

  • Intensive experience in the application of operation excellence programs ( Lean & six-Sigma) in Electronics Industry, Medical devices, Supply chains and Logistics, Food and Beverage Industry….

  • Led a major transformation to excellence programs in Europe, USA, Puerto Rico and Costa Rica that delivered substantial financial results

  • Trained, coached  and certified hundreds of Lean Six Sigma  (Yellow, Green, Black and Master Black Belts) in Europe, USA, Middle East

  • Executive coach and business advisors for Senior management  

  • Strategic planning & policy deployment

Senior Consultant

Miss. Mariam Hammad


  • Bachelor of Applied Science , Pharmaceutical & Forensic Analysis, Limerick Institute of technology, Limerick, Ireland    


  • European junior Ambassador.

  •  Experience in the Retail sector.

Administrative Assistant 

Mr. Enzo Di Nunzio


  • Electrical Engineer (Switzerland)

  • Dual Degree in Master of Business Administration (Switzerland und USA)

  • Certified General Electric Quality Leader (Manager of Master Black Belts)


  • 20 Years in Leading Employees, Profit / Loss, European Director of General Electric Europe

  • 14 Years in Training und Coaching

  • 10 Years in Six Sigma / Lean / Quality at GE for Europe

  • Previously seven years with General Electric as European Quality Leader (Director of Six Sigma and Key Projects) and before Multi-Country Manager for Cisco Systems

  • Example of customers: SAP, France Telecom, UBS, Bayer Health Care, Hospira, Orange, Credit Suisse, Schreiber Foods, Cham Paper Group, Corning Europe, Canon, Telecom Polska, usw.

Senior Consultant

Dr. Radouane Oudrhiri


  • Msc - Statistics and Operations Research – Paris France

  • MBA – ESSEC – Paris France

  • PhD in Logics and Information Theory – Paris France

  • Certified General Electric Quality Leader (Manager of Master Black Belts)


  • Over 25 years’ experience in high-tech organization

  • Among the first adopters of Six Sigma in Europe since 1992 working with Motorola.

  • Large experience in Telecom, ICT, Software engineering, Biotech and healthcare, he worked on the integration of Lean Six Sigma and other frameworks such as ITIL and CMMI.

  • Part of the ISO committee for standardising the Lean Six Sigma methodologies and organisational certification.

  • Trained and certified hundreds of Lean Six Sigma  (Yellow, Green, Black and Master Black Belts) in Europe, USA, Middle East and Asia. He also coached hundreds of transformation projects showing a multiple digit return in investment.  

Senior Consultant

Dr. Ayman Hammad



  • B.Sc. Mathematics & Statistics

  • M.Sc. Applied Statistics

  • PhD. in Applied Statistics to Education and Change

  • Certified Six-Sigma Black Belt


  • Over 15 years experience in teaching and research at third level institutes and universities

  • Large experience in data mining tools including; SPSS, Minitab, MATCAD, LINDO, MSP2010 and R

  • Practical application of statistical methods to support production forecasting in different industries including, Steel , cement and Food Processing.

  • Supervised  a huge number of gradation  thesis’s at different faculties including; Economics,  Science, Pharmaceuticals, Nutrition, Dentistry, Financial institutes

  • Worked with a large number of Master students from different fields to develop questionnaires and guide them to perform data analysis in order to make a conclusion about the significance of the study performed.

  • Trainer with practical Experience in the following packages: Amos_SPSS and Eviews

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