Stephen Ren offers deep and broad technical experience and expertise spanning all aspects of carrier and enterprise network, and virtually unsurpassed internetworking frame of reference that includes Hexa active CCIE designation held by barely 30 other individuals in the entire world. He is certified as Cisco CCIE #13946 of routing & switching, service provider, security, datacenter, collaboration and wireless track, CCDE written, Fortinet Network Security Expert 8, CISSP #650033, PMP #2146684, ITIL v3 foundation, AWS Certified solution architect associate,Sysops administrator associate, advanced networking and security specialty,google cloud certified professional cloud architect,associate cloud engineer and professional cloud network engineer,Microsoft certified Azure solution architect expert,Azure administrator and network engineer,VMware VCP DCV&NV, Palo Alto PCNSE, Certified Datacenter Designer(CDCD), Cisco DevNet professional and DevOps specialist,Aviatrix Certified Multi-Cloud networking associate #12191,Cisco Sales Expert,Cisco Certified Design Specialist, CCNP, CCNA, JNCIA, CNA, MCSE and MCDBA to mention but a few.Two times Fortinet Champion,now leading a QA team,a DevOps(CM) team and a SRE team at Fortinet Sunnyvale HQ.He joined many programs including Executive leadership program in Cornell University with many certifications in different IT programs,DIY MBA.His area of expertise includes network security, cyber security, information system security, security architect, high-end routing and network design, MPLS, voice, datacenter, fixed network,NGN,3G,IMS, GPRS, SDN,SD-WAN, wireless, storage, DevOps, virtualization, Linux. He has played many significant roles in building businesses, in terms of network deployment, technical & sales support, network planning, SRE,DevOPS and R&D QA testing.Stephen is a highly experienced senior consultant with provable records of working on a wide variety of products and technologies in complex environments and supporting different industries. He has successfully handled projects including large carrier network design and strategic enterprise network design. Stephen has supported and helped implement network architectures for major carriers in many countries. He is committed to sharing knowledge and solving technical problems in his field, as a senior instructor, he has taught bearer network and NGN equipment to Huawei staff internationally. He also taught hundreds of network engineers attending Cisco Certified courses.