Birden Tuluğ Siyahi

Environmental Engineer, MBA, MBB

He took several managerial/consulting positions in TQM, EFQM and CI areas in manufacturing/service companies. Initiated and supervised Lean and Six Sigma program in the biggest integrated textile plant in Turkey and gained Master Black Belt.

Had Management Consulting experiences in countries like Turkey, Bulgaria and Philippines. He Trained over 400 Lean Six Sigma Green and Black Belts and consulted over 400 projects.  

He presented Lean and Six Sigma sample cases in Aluexpo 2011 and his article published in Aluminum International Today periodical.

He is currently the founding partner of BiLiG OpEx, which provides Operational Excellence services in Lean 6 Sigma, RPA (Robotic Process Automation), Artificial Intelligence and Digitalization. He is a Mentor for Start-Ups at ITUCekirdek Incubation Center.


Rıfat Oğuz Özbek

Industrial Engineer, MIS, MBB

He started his Quality Management carrier with TQM, ISO, BSI and EFQM studies in service industry. One of the first Black Belts in Financial sector in the world. He ran several nation-wide projects in the banking industry as internal consultant. Has extensive experience with Lean and Six Sigma in non-manufacturing sector. Also in his background he has Senior Management experience as VGM and GM in logistics companies. External consultant experience started in 2010 and for the last seven years he deployed Lean and Six Sigma in Middle East and South Asia for a well known bottling company and its suppilers. Accredited Business Mentor for TUBITAK (Turkish Scientific Research Organization). He has presented “Lean Transformation in Service Sector” in Turkish Chamber of Mechanical Engineers conference in 2013 as guest speaker.