About the Technical Reviewers

Alex Teichmann is a consultant for Cisco. He has helped developed leading practices for PKI and has personally worked on several IPsec and PKI deployments with great success and accolades. Alex Teichmann has an unmatched knowledge of PKI and is a leader in the field.

Piotr Jarzynka, CCIE R/S, Security, No.4737, is a Solutions Architect at Cisco. He is currently focusing on the security of Unified Communications (UC) for which he has developed a complete services portfolio, helping organizations to secure their UC environment. He has also created leading practices for the application of PKI within UC and has worked on several large customer implementations.