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D I M I T R I O S T Z E L I O S Email & Phone Number
Internal Control System and OpEx Process Mngnt Specialist | Ensuring Peak Performance
at
Institute of Science and Technology Austria
1 work email found
@ote.gr
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✓ Verified Jun 2026
4 data sources
Profile completeness 86%
Current company
Role
Internal Control System and OpEx Process Mngnt Specialist | Ensuring Peak Performance
Location
Klosterneuburg, Lower Austria, Austria
Who is D I M I T R I O S T Z E L I O S? Overview
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Quick answer
D I M I T R I O S T Z E L I O S is listed as Internal Control System and OpEx Process Mngnt Specialist | Ensuring Peak Performance at Institute of Science and Technology Austria, based in Klosterneuburg, Lower Austria, Austria. AeroLeads shows a work email signal at ote.gr and a matched LinkedIn profile for D I M I T R I O S T Z E L I O S.
D I M I T R I O S T Z E L I O S previously worked as Internal Control System & OpEx Process Mngnt Specialist | Ensuring Peak Performance at Institute Of Science And Technology Austria and CS Quality Assurance & Operational Excellence manager at Opap. D I M I T R I O S T Z E L I O S holds Mba, Technoeconomics (Area Specilaized. Systems Management & Production) from National Technical University Of Athens.
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Email format at Institute of Science and Technology Austria
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{first_initial}{last}@ote.gr
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AeroLeads found 1 current-domain work email signal for D I M I T R I O S T Z E L I O S. Compare company email patterns before reaching out.
Profile bio
About D I M I T R I O S T Z E L I O S
I am an Operational Excellence Manager and inspirational leader who geeks out on serving companies to efficiently develop, implement and operationalize their strategic plans to modernize the way customers and business engaged to digital interactions. Monetized on skills and knowledge founded from the +20 years of professional experience in seniorpositions and leading roles in ICT, Telecoms, Banking, Lottery sectors and Research institutions, to capitalize on opportunities of growth. Employed Six Sigma and Lean methodologies into organizational operations to accomplish business objectives.With a passion for driving operational excellence through people-centric strategies acted as a master of expert, planned and oversight +7 business large scaled transformation programs in the areas of Sales and Order management, After Sales support and Customer Care. My approach focuses on creating an inclusive environment where every team member feels valued and equipped to contribute to the organization's success.Over the past decade, I've led cross-functional teams to streamline processes and enhance productivity, while fostering a culture of continuous improvement and employee engagement.# Established operational discipline standards to scale up effectively and pursued a lean, and effective working model. Propelled operational excellence 40%, through continuous digitalization, simplification, and optimization of business core processes. # Increased customer retention rate 25%, while speeded 15% the activation of revenue-generating services. # Adept to work in competitive multicultural environments in virtual National or International level, coached, and supervised for more than 10 years, nurturing with professionalism ethos and pathos, cross-functional teams, helping to advance, emphasizing on perpetual learning and on belief of the endless quest for excellence.--------------------------------------------------------------------------------------------------------------------Skills & Competencies-------------------------------------------------------------------------------------------------------------------- Abstract Thinker | Creative & Problem Solver | Create order form research chaos
Current workplace
D I M I T R I O S T Z E L I O S's current company
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Institute Of Science And Technology Austria
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10 roles
D I M I T R I O S T Z E L I O S work experience
A career timeline built from the work history available for this profile.
Internal Control System & Opex Process Mngnt Specialist | Ensuring Peak Performance
CurrentLeading the implementation and optimization of the Internal Control System (ICS) and core business processes across the institute, within the Executive Affairs/Digitalization & Operational Excellence Organizational Unit.Spearheading ISTA's major strategic initiatives, transforming them into cohesive, systematic processes to achieve shared objectives and.
Sep 2024 - Present
Cs Quality Assurance & Operational Excellence Manager
Support with quality & efficiency corporate strategy towards fast-forward digitalization and excellent CX- Established an interdisciplinary method of decision-making, that embraced teams into a problem-solving mindset though DMAIC, Lean & 6 sigma and methodology.- Lead digital transformation in complex projects that cut across various organizational.
Jan 2022 - Aug 2024
B2B Cs Senior Implementation Project Manager
Oct 2021 - Dec 2021
Operational Excellence Consultant
Freelance
Truly master efficiency by helping my clients to identify business operational activities of excess waste. Nurtured a Continuous Improvement, Learning, and Growth mindset, giving to their business a critical edge in a competitive world. Experienced Operational Excellence, Lean Management, and Six Sigma coach, works hands on and shoulder to shoulder with.
Feb 2021 - Sep 2021
B2B/B2C Customer Care Excellence & Planning Section Manager
- Experienced Senior manager in Customers Care Services and Business Operational Improvements. Leverage on expertise to mix strategy and technology, conceptualized improvements in innovation, formulated a discipline.
- Enhanced digitalization, revamped CX platforms by introducing Machine Learning and AI capabilities.
- Reduced WFM costs and customer's complaints respectively, streamlined all company’s process activities, customers’ touch points and systemic events in one rendezvous.
- Boosted automation by speeding fault diagnosis & service restoration, reducing the skill level required from agents. # CX and NPS #
- Decreased Repeated Calls and customer's complaints. Re-vitalized customer communication strategy that automated follow-ups.
- Expanded the growth in the use of e-Care Services, by re-inventing the online customer touch points
May 2015 - Dec 2020
Project Manager At Strategy And Transformation Fixed And Mobile Division
Ote Group Of Companies (Hto)
- With strong technology know-how and creative thinking, promoted among the shortlisted candidates, to a Project transformational manager, to steer the big transformation plan of our CEO. Planned and oversight a project.
- Cut costs by 2.5 million. Designed, and launched an Optimization program based on 7 waste of Lean methodology.
- Supervised the digital Technical transformation program yielded to reduced fault resolution time by 4 days (@80% of faults).
- Supervised the digital Order to Bill transformation program. Improved fulfillment time by 5 days (@80% of Submitted Orders).
- Established an interdisciplinary method of decision-making. Proposed plans, based on synthesized interpretation of both qualitative and quantitative metrics, to advise and motivate line managers for actions and.
- Embraced diverse and collaborative cross-functional culture, engaged teams to a matrix-oriented structures, boosted team bonding and encouraged creative thinking.
May 2012 - Apr 2015
Senior Telecom Engineer
- Responsible for the implementation, roll out, and support of the Network Management & Platforms Planning for technical projects from requirements definition to implementation and delivery into production.
- Lowered connecting and maintenance costs 30% by and consolidating DWDM/SDH NMS transmission platforms.
- Slashed technicians’ payroll/benefits costs 30k € yearly, while ensuring high level of service availability by effectively managing interoperability in a heterogeneous… Show more Responsible for the implementation.
- Slashed technicians’ payroll/benefits costs 30k € yearly, while ensuring high level of service availability by effectively managing interoperability in a heterogeneous multi-vendor environment.
- Designed network management solutions for Corporate customers, planned projects activities, and supervised field operations guaranteed 99.95% uptime firmly and under SLA contract. Show less
Dec 2006 - Apr 2012
It System Analyst Programmer -Team Leader
- Guided an internal cross-functional team and liaised with the vendor to plan and implement IBM’s Tivoli ESM platform to remotely support, all Desktop clients and ATMs. Mentored a new team of 2 employees, to take the.
- Deducted 50k € night differential pay from payroll costs yearly by digitizing workflow processes and automating back office routines.
Sep 2005 - Dec 2006
Telecom Engineer Project Manager
- Responsible for the network management, of the Transmission (DWDM /SDH), Radio and the Passive Optical Fiber Network of OTE, Rom Telecom, AMC clients.
- Delivered professionally field service turnkey solutions, such as consultation, network design, project implementation, training, and technical support.
- Developed technically focused sales RFQs and conducted client facing technical product presentations/demonstrations.
Sep 1999 - Sep 2005
4 education records
D I M I T R I O S T Z E L I O S education
Mba, Technoeconomics (Area Specilaized. Systems Management & Production)
Msc, Information & Telecommunications Technologies
Athens Information Technology (Branch Of Carnegie Mellon, Usa)
Msc, Telecommunications In Laser Physics & Optoelectronics
Bachelor Of Science (Bsc), Physics
FAQ
Frequently asked questions about D I M I T R I O S T Z E L I O S
Quick answers generated from the profile data available on this page.
What company does D I M I T R I O S T Z E L I O S work for?
D I M I T R I O S T Z E L I O S works for Institute of Science and Technology Austria.
What is D I M I T R I O S T Z E L I O S's role at Institute of Science and Technology Austria?
D I M I T R I O S T Z E L I O S is listed as Internal Control System and OpEx Process Mngnt Specialist | Ensuring Peak Performance at Institute of Science and Technology Austria.
What is D I M I T R I O S T Z E L I O S's email address?
AeroLeads has found 1 work email signal at @ote.gr for D I M I T R I O S T Z E L I O S at Institute of Science and Technology Austria.
Where is D I M I T R I O S T Z E L I O S based?
D I M I T R I O S T Z E L I O S is based in Klosterneuburg, Lower Austria, Austria while working with Institute of Science and Technology Austria.
What companies has D I M I T R I O S T Z E L I O S worked for?
D I M I T R I O S T Z E L I O S has worked for Institute Of Science And Technology Austria, Opap, Webhelp, Freelance, and Ote Group Of Companies (Hto).
How can I contact D I M I T R I O S T Z E L I O S?
You can use AeroLeads to view verified contact signals for D I M I T R I O S T Z E L I O S at Institute of Science and Technology Austria, including work email, phone, and LinkedIn data when available.
What schools did D I M I T R I O S T Z E L I O S attend?
D I M I T R I O S T Z E L I O S holds Mba, Technoeconomics (Area Specilaized. Systems Management & Production) from National Technical University Of Athens.
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