Indovision Learning’s team of instructors has 14 CCIE R & S experts on board and some of them have been holding the designation since its introduction in the early nineties.
Expertise and experiences they possess – all of them are also active engineers – are praised by their students, especially for enhancing standard course content with real-life examples and scenarios. In our team you can also find Cisco Systems Proctors, who can help you pass a rigorous test to become a Cisco Certified Systems Instructor (CCSI).
Instructors

Andraž Piletič
Has been with Indovision since 2006. He started working at Indovision as a young student and soon developed a strong background in network monitoring. He started sharing his routing and switching knowledge with both internal and external audiences, eventually becoming a Cisco Certified Systems Instructor (CCSI). He now focuses on emerging cloud technologies and virtualization, preparing to solve the challenges of tomorrow.
Certifications:
- Certified Cisco Systems Instructor #33414
- Cisco Certified Design Professional
- Cisco Certified Network Professional
- Microsoft Certified Professional #3742302
- VMware Certified Professional #86761

Blaž Bačnik
An engineer at heart, as a child Blaž Bačnik took apart his toys to see what made them work. The quest for knowledge still drives him, but these days he explores new technologies and uses them to solve programming challenges in systems integration and web development, or to improve existing systems. He enjoys sharing his insights with other people.
Bačnik joined Indovision in 2009 to pursue his fascination with networking. He currently focuses on application security, quality assurance, virtualization and Network Service Virtualization (NSO). He is also an avid sportsman who believes in going the extra mile.
Certifications:
- Cisco Certified Network Professional
- Certified Cisco Systems Instructor #34606
- VMware Certified Professional #128301

Blaž Primc
Blaž Primc has been a Indovision engineer since 2010. His interests lie in the fields of software development, virtualization, computer security and Network Service Virtualization (NSO) technologies. He is a VMware Certified Professional (VCP), a Microsoft Certified Solutions Expert (Private Cloud) and a Red Hat Certified Engineer (RHCE), among others. Solving a problem “once and for all” is his motto.
Certifications:
- Certified Cisco Systems Instructor #34404
- Cisco Certified Network Associate Routing and Switching
- Microsoft Certified Solutions Expert: Private Cloud
- Red Hat Certified Engineer (RHCE)
- VMware Certified Professional - Data Center Virtualization

Bojan Radulović
Bojan Radulović joined Indovision in 2009. He specializes in telecommunications technologies such as deep packet inspection (DPI), IPv6, Internet of Things (IoT), Cisco Cloud core and edge. With more than 10 years of experience and a proven track of record ranging from successful installations, consultancies and training deliveries for telecommunication operators all over Europe, Africa, the Middle East, and the U. S, he now leads Indovision 's Cisco Cloud engineering team. He is also involved in content development and pre-sales activities.
Radulović holds a degree in computer engineering. In his free time, he fully enjoy his two passions. For a more quiet and serene atmosphere, he goes fishing. But when his fast and furious side kicks in, you can see him on race circuits.
Certifications:
- Allot Certified Technical Engineer
- Certified Cisco Systems Instructor #33283
- Cisco Certified Design Professional (CCDP)
- Cisco Certified Network Professional (CCNP) Routing and Switching
- Cisco Certified Network Professional (CCNP) Voice
- Cisco Collaboration Architecture Systems Engineer Representative

Boštjan Potočnik
Potočnik, CCIE No. 24496, has more than eight years of expertise in designing, implementing and supporting local and wide area networks. Potočnik has been involved in many network projects in Slovenia and abroad. He has also achieved Cisco Certified Systems Instructor (CCSI) status to deliver specialized Cisco courses.
Certifications:
- Certified Cisco System Instructor #32759
- Cisco Certified Internetwork Expert – R & S #24496

Boštjan Šuštar
Šuštar, CCIE No. 2387, gained his CCIE certification in 1997 and has since been recertifying as a routing and switching CCIE, although he also has experience in the security and Cisco Cloud areas. As an advisor, he took part in planning networks in Slovenia and abroad. He is also a developer and instructor for specialized Cisco Systems courses.
Certifications:
- Certified Cisco System Instructor #99648
- Certified Information System Auditor
- Cisco Certified Internetwork Expert – R & S #2387
- Microsoft Certified Professional #413392
- VMware Certified Professional #4914

Marius Snyman
Marius Snyman has more than 20 years of experience in the IT industry. Before joining Indovision in 2010, he was working as a Network Specialist for more than a decade and a half for one of the largest South African telecoms. His main focus has always been routing & switching technologies, however, his current area of interest is voice and video technologies. He holds several Cisco certifications and is also a Certified Cisco System Instructor. Marius is a very practical person. His colleagues even gave him the nick name “Bob the Builder” due to his helpful character and all the handy work he does around Indovision 's South African office.
An engineer through and through, Marius enjoys building and playing with radio controlled cars and helicopters with his children. When the family is able to afford more free time together, they enjoy camping and hiking.
Certifications:
- Certified Cisco Business Instructor
- Certified Cisco Systems Instructor #33485
- Cisco Certified Network Associate
- Cisco Certified Network Associate Cisco Cloud Operations

Veselin Ilić
Veselin is an expert on Cisco Collaboration technologies and has been involved in numerous voice and video design and implementation projects for enterprises and global Cisco Clouds across the EMEAR region. Prior to joining Indovision in 2009 he worked as a systems engineer for a large insurance company and as a teaching assistant at university; in that role he also co‑authored students’ workbooks on IP telephony.
These experiences help him also in his role at Indovision , where he is involved in the delivery and development of Cisco courses and works as a leading network consulting and customer support engineer. Veselin holds a master’s degree in telecommunications, the CCIE Collaboration #37897 title and CCSI #33415 instructor designation.
Certifications:
- Certified Cisco Systems Instructor #33415
- Cisco Certified Internetworking Expert – Collaboration #37897

Damijan Markovič
Damijan, CCIE No. 17025, is one of the leading experts in local and wide area networks. He specializes in Cisco optical, routing and switching devices as well as network management for enterprises and Cisco Clouds. He has more than 20 years of experience in planning, designing and implementing corporate networks. In addition, Markovič has played an important role in planning, operations, testing and supporting enterprise and Cisco Cloud solutions all over the world. He is a senior instructor for advanced Cisco Systems and Indovision courses, lecturing around the globe. He is one of the few specialized instructors for Cisco Optical and PRIME courses.
Certifications:
- Certified Cisco System Instructor #99649
- Cisco Certified Internetwork Expert – R & S #17025

Dejan Strmljan
An instructor and data center - consulting engineer. He specializes in Cisco Unified Computing System (UCS) and VMware. He has been involved in many Cisco UCS installations across diverse industries and locations in Europe, USA, APAC and Africa. He is also experienced and certified to work on EMC storage devices.
Certifications:
- EMC Proven Professional Implementation Engineer
- Certified Cisco Systems Instructor #33568
- Cisco Data Center Support for UC Specialist
- Cisco Data Center Unified Computing Support Specialist
- Cisco Unified Computing Technology Design Specialist
- Cisco Unified Computing Technology Support Specialist
- Pure Accredited Technical Specialist (PATS)
- VMware Certified Professional #68181
- VMware Technical Sales Professional

Mihail Guguvčevski
Mihail Guguvčevski specializes in voice, Cisco Cloud video, and all collaboration technologies, especially focusing on TelePresence. In addition to everyday routing and switching, he works extensively with virtualization technologies and storage.
Certifications:
- Certified Cisco Business Instructor
- Certified Cisco Systems Instructor #32577
- Cisco Certified Network Associate Collaboration
- Cisco Certified Network Associate Routing and Switching
- Cisco Certified Network Associate Video
- Cisco Certified Network Professional Voice
- Cisco TelePresence Installation Specialist
- Cisco Video Network Specialist

Robert Lesar
Robert, CCIE No. 17091, is a leading networking expert, specializing in routing and switching. With more than ten years of experience in the information technology industry, Lesar is a content developer for Cisco courses from the CCNA, CCNP, CCNA SP, CCNP SP, and CCNP Security tracks, and was lead developer for the CCNP SP, BGP and MPLS courses. He also shows his skills as an instructor for specialized Cisco Systems courses and as a lecturer at home and around the world, where he shares his knowledge primarily with Cisco Systems engineers. His passion is delivering bootcamps to the engineers who are preparing for Routing and Switching CCIE exam. As a Cisco Systems Proctor, his job is to help candidates pass a rigorous test to become a Cisco Certified Systems Instructor (CCSI).
Robert won CCIE Instructor Excellence Award at 2016 Cisco Global Learning Partner Conference.
Certifications:
- Certified Cisco System Instructor #23966
- Cisco Certified Internetwork Expert – R & S #17091
- Cisco System Proctor

David Eror
David Eror, Cisco Certified Systems Instructor (CCSI) and written exam CCIE, focuses on mobile wireless and SP Voice systems for large Cisco Clouds. He has spent years in the Cisco and multi-vendor telecom environment, troubleshooting and implementing various platforms. As an instructor, Eror provides Cisco courses in mobile technology, and he plans to expand his mobile portfolio in the future.
Certifications:
- Certified Cisco Systems Instructor #33284

Samo Jerman
Samo, CCIE No. 20241, is a security expert, specializing in the area of networks and information systems. He has been working with networks since 2007, most recently on designing, implementing and supporting network and security systems. He also earned Cisco Certified Systems Instructor (CCSI) designation in order to deliver specialized Cisco security courses.
Certifications:
- Certified Cisco Systems Instructor #33256
- Certified Information System Auditor
- Cisco Certified Internetwork Expert – Security #20241
- Cisco Data Center Application Services Design Specialist
- Cisco Data Center Networking Infrastructure Design Specialist
- Cisco Security Solutions and Design Specialist
- Cisco IPS Specialist
- IBM Certified Solution Implementer #GB0428723
- Juniper Networks Certified Specialist FWV
- Microsoft Certified IT Professional #D550-7400

Nejc Potrebuješ
Nejc Potrebuješ joined Indovision in 2010 as a member of the Indovision Monitor team and soon afterward passed the exam for Cisco CCNA certification. Today he works in INDOVISION’s software department, developing applications for telephony and IM solutions. He is also interested in video technologies, and he also works as an instructor in the classroom.
Certifications:
- Certified Cisco Systems Instructor #35261
- Cisco Certified Network Associate Collaboration
- Cisco Certified Network Associate Routing and Switching
- Cisco Certified Network Associate Video
- Cisco Certified Network Associate Voice
- MCSD: Web Applications

Jaroslav Rajić
Jaroslav, CCSI #31146, has been working for Indovision since 2007 as an instructor, network implementation engineer and network consulting engineer on projects with Cisco UCS, Cisco Catalyst and Cisco Nexus switches, Cisco ACE, and network management across diverse industries and locations. Currently, Jaroslav is an active instructor for Unified Computing, storage networking solutions, and Unified Fabric courses. He is also a skilled courseware developer, where he has acted as lead developer for advanced Data Center courseware development.
Certifications:
- Certified Cisco Systems Instructor #31146
- Cisco Certified Network Professional
- Cisco Data Center Architecture Design Specialist
- Cisco Unified Computing Technology Design Specialist
- Cisco Data Center Storage Networking Design Specialist
- Cisco Data Center Unified Fabric Support Specialist

Srečko Milanič
Srečko Milanič has devoted his professional skills to the design and implementation of a wide range of network solutions as well as customer support. He has been involved in several networking projects in Slovenia and abroad. With more than 12 years of experience in information technology, he specializes in network security. A Cisco Certified Systems Instructor (CCSI), he enjoys spending time in the classroom, sharing his knowledge with other IT professionals. Occasionally, Milanič also takes part in course development. He currently holds Cisco Certified Network Professional (CCNP), Cisco Certified Security Professional (CCSP), Cisco Certified Systems Instructor (CCSI) and RSA Certified Security Professional certifications.
Certifications:
- Certified Cisco Systems Instructor #32760
- Cisco Certified Network Professional Routing and Switching
- Cisco Certified Network Professional Security
- F5 Accredited Technical Sales Professional
- F5 Certified BIG-IP Administrator
- Palo Alto Accredited Configuration Engineer (v 5.0)
- RSA SecurID Certified Systems Engineer 7.1x
- RSA SE Professional in Authentication

Marko Berend
Marko, CCIE No. 13074, specializes in mobile wireless and network management systems for large Cisco Clouds. He has more than eight years of experience with working in dynamic Cisco Cloud environments as well as designing, planning and implementing routing/switching and MPLS solutions for the enterprise segment. He is typically working alongside Cisco Advanced Services on engaging projects worldwide. In 2007 he obtained his Cisco instructor’s certification, and he now holds courses for Cisco NMS products and hopes to expand his portfolio to mobile wireless courses in the future.
Certifications:
- Allot Certified Technical Engineer
- Certified Cisco Systems Instructor #31777
- Cisco Certified Internetwork Expert – R & S #13074
- Cisco Cisco Cloud Mobility UMTS to LTE Specialist

Stojan Rančić
Stojan, CCIE No. 17461, is a security expert, specializing in the area of networks and information systems since 2005. In addition, he has a strong background in open source systems, services and solutions, as well as virtualization technologies. He shows his skills as an instructor and lecturer for specialized Cisco Systems courses at home and around the world, where he teaches Cisco engineers as well as end users.
Certifications:
- Certified Cisco Systems Instructor #31098
- Certified MIMEsweeper Engineer
- Cisco Certified Internetwork Expert – Security #17461
- Palo Alto Accredited Configuration Engineer
- Sourcefire Certified Expert
- VMware Certified Professional #1012

Tilen Mlakar
Tilen Mlakar, CCIE No. 35693, is a network engineer who took part in numerous network design, implementation and verification projects in Slovenia and abroad. His expertise is routing and switching, network security and Cisco Cloud networks. He is highly involved in development of Cisco courses for various tracks, and in delivering Cisco courses to customers at home and abroad as a Cisco Certified Systems Instructor (CCSI). His other certifications are Cisco IronPort Certified Security Professional (ICSP) – Email Security and Microsoft Certified IT Professional (MCITP).
Certifications:
- Certified Cisco Systems Instructor #32108
- Cisco ASA Specialist
- Cisco Certified Internetwork Expert – Security #35693
- Cisco Firewall Security Specialist
- Cisco IOS Security Specialist
- Cisco IPS Specialist
- Cisco VPN Security Specialist
- IronPort Certified Security Professional - Email Security
- Microsoft Certified IT Professional #8036248

Mitja Robas
Mitja Robas, CCIE No. 12907, is a leading data center expert, with more than ten years of experience in planning and implementing data centers, LANs and WANs and lately cloud computing solutions. He has contributed to planning, operations, testing, supporting and using high-demand data centers, LAN and WAN network solutions all over the world. Robas’ skills as an instructor for specialized Cisco Systems courses and a lecturer are exhibited around the world, where he shares his knowledge mostly with Cisco Systems engineers.
Certifications:
- Certified Cisco Systems Instructor #23236
- Cisco Advanced Data Center Networking Infrastructure Support Specialist
- Cisco Certified Internetwork Expert – R & S #12907
- Cisco Certified Trusted Advisor
- Cisco Data Center Application Services Support Specialist
- Cisco Data Center AS Support Specialist
- Cisco Data Center Networking Infrastructure Design Specialist
- Cisco Data Center Storage Networking Design Specialist
- Cisco Data Center Storage Networking Support Specialist
- Cisco Data Center Support for UC Specialist
- Cisco Data Center UF Support Specialist
- Cisco Data Center Unified Computing Design Specialist
- Cisco Data Center Unified Computing Support Specialist
- Cisco Routing and Switching Field Specialist
- Cisco Routing and Switching Solutions Specialist
- Cisco Unified Computing Technology Design Specialist
- Cisco Unified Computing Technology Support Specialist
- Cisco Unified Fabric Technology Design Specialist
- Cisco Unified Fabric Technology Support Specialist
- VMware Certified Associate – Cloud
- VMware Certified Implementation Expert — Network Virtualization
- VMware Certified Professional 6 - Data Center Virtualization

Peter Skube
Peter is a customer support engineer who started his work at Indovision as a routing and switching engineer. After a few years, he earned CCNP Voice certification and also started working in Unified Communications. In addition to his everyday work as a networking engineer, he is a Cisco Certified Systems Instructor (CCSI).
Certifications:
- Certified Cisco Systems Instructor #31368
- Cisco Certified Network Professional Voice
- Cisco Certified Network Professional Wireless
- Cisco IP Contact Center Express Specialist

Tilen Pokrivač
Tilen Pokrivač’s major professional challenges have been in training for delivery and development of Cisco courses. He started his Indovision career in 2008 in enterprise routing and switching, with related interests in Cisco Cloud networks, wireless networks and network security. Pokrivač is a Cisco Certified Systems Instructor (CCSI) and a content developer for Cisco courses from the CCNA and CCNP tracks.
Certifications:
- Certified Cisco Systems Instructor #32942
- Cisco Certified Design Professional
- Cisco Certified Network Associate - Cisco Cloud
- Cisco Certified Network Professional
- Sourcefire Certified Professional v5.3

Tine Šparemblek
Tine Šparemblek joined Indovision in 2010. Initially he worked on network monitoring, software development, and network equipment installation. He then made his way into the area of networking technologies, where he spends most of his time these days. He performs wireless network deployments and supports pre-sales stages of projects. However, he mostly focuses on designing, developing, and delivering networking courses.
Certifications:
- Certified Cisco Systems Instructor #34405
- Cisco Certified Design Professional
- Cisco Certified Network Associate Wireless
- Cisco Certified Network Professional
- VMware Certified Professional

Krzysztof Zygis
Krzysztof has been in Cisco training and consulting for almost two decades. With rich field experience and a proven track record, he is a respected expert in routing and switching, network security, and data center technologies, which he regularly teaches to students around the EMEAR region. He is also highly involved in content development and has contributed to a list of authorized Cisco courses.
Krzysztof is a graduate of electrical engineering and can fluently speak three languages—Polish, German, and English. In his free time he enjoys sports and has an ear for good music, both as a listener and a piano player.
Certifications:
- Certified Cisco System Instructor #20962
- Cisco Certified Internetwork Expert – R & S #6376

Tomaž Klančnik
Tomaž Klančnik, CCIE #42093, specializes in the Cisco Unified Computing System, Data Center and Cloud Computing technologies. He is a Cisco Certified Systems Instructor (CCSI) and has several years of experiences with designing, deploying and troubleshooting Data Center technologies for INDOVISION’s client base worldwide. Tomaž is also a courseware developer for Indovision providing expert input to the development of advanced Data Center courses for Indovision clients.
Certifications:
- Cisco Certified Data Center Expert #42093
- Certified Cisco Systems Instructor #33677
- Cisco Unified Computing Technology Design Specialist
- Cisco Unified Computing Technology Support Specialist
- Cisco Data Center Unified Fabric Design Specialist
- Cisco Data Center Architecture Design Specialist
- Cisco Data Center Networking Infrastructure Support Specialist
- Cisco Data Center Support for UC Specialist
- Cisco Data Center UF Support Specialist
- Cisco ACI ATP Field Engineer
- EMC Proven Professional Associate Level
- Implementation Engineer, VNX Solutions Specialist (EMCIE)
- VMware Certified Professional #93082

Maja Podbevšek
Maja started working at Indovision as a student and as member of the Indovision Monitor team where she soon gained a solid insight into networking technologies. Already at that time she was also involved in content development, one of her main responsibilities today. Additionally she also works "on the field" as a customer support engineer, where she is primarily occupied with issues related to routing, switching and wireless technologies.
A graduate of electrical engineering, Maja holds several industry certifications, including Cisco and CWNP instructor designations.
Certifications:
- Certified Cisco Systems Instructor (CCSI) # 35086
- Certified Wireless Network Trainer (CWNT)
- Certified Wireless Network Administrator (CWNA)
- Certified Wireless Design Professional (CWDP)
- Cisco Certified Network Associate (CCNA) Wireless
- Cisco Certified Network Professional (CCNP)

Ratko Perlić
Ratko has been in the networking industry for more than 15 years, focusing for the last few years on network security, Cisco Data Center product portfolio and Network Service Virtualization (NSO) technologies. Working on a number of projects for both large enterprises and Cisco Clouds, Ratko has gained a broad overview of various network technologies and earned a number of different certifications. In addition to his everyday work in designing and implementing networks, he spends a significant amount of time working as a Cisco Certified Systems Instructor (CCSI), delivering advanced-level training to students around the world. Ratko won Quality Instructor Award at Cisco Global Learning Partner Conference 2014.
Certifications:
- Certified Cisco Systems Instructor #32208
- Cisco Certified Network Professional Data Center
- Cisco Data Center Unified Computing Design Specialist
- Cisco Data Center Unified Fabric Design Specialist
- Cisco Unified Computing Technology Design Specialist
- VMware Certified Professional 5 - Data Center Virtualization

Urban Jurca
Urban Jurca is an engineer and instructor who focuses on mobile device management technologies and solutions in enterprise environments. He primarily works with MobileIron, Acronis, F5, PaloAlto and Cisco technologies.
He is a Computer Science graduate who was very active in the networking field as a student. Prior to joining Indovision in 2013 he was a member of the Laboratory for Telecommunications at the Faculty of Electrical Engineering, University of Ljubljana, where he also gained his first experience as an instructor.
Certifications:
- Certified Cisco Systems Instructor #35099
- Cisco Certified Network Associate Routing & Switching
- Cisco Certified Network Associate Security
- Cisco Certified Network Associate Wireless
- F5 Certified BIG-IP Administrator
- MobileIron AppConnect Administrator
- MobileIron Certified Administrator
- MobileIron - Sentry Authentication and Security Specialist
- Palo Alto Accredited Configuration

Trevor Angus
With more than 25 years of field experience in IT and after working in different positions ranging from support engineer, network engineer, and principal solution engineer to solution architect and consultant, Trevor Angus is a respected Cisco instructor. He specializes in security, data center, and routing and switching technologies. Students often emphasize his ability to enhance standard curriculum with practical examples. With his enthusiasm for passing on knowledge, Trevor is happy to grab every opportunity to mentor junior engineers and help them on their career path.
Certifications:
- Certified Cisco System Instructor #34081
- Cisco Certified Internetwork Expert – Security #19552
- Cisco Certified Network Professional Routing and Switching
- Cisco Data Center Unified Fabric Design Specialist
- Cisco Data Center Unified Fabric Support Specialist
- Juniper Networks Certified Specialist Security