Nadalin had spent the last 27 years with IBM where he was the Chief Security Architect responsible for the security strategy for software group products. He participates in many standards organizations (OASIS, IEEE, W3C, ITU, ISO) aligning security strategy with standards. He participated in designing, authoring and developing various Java security standards such as, Java Authentications and Authorizations Services (JAAS), Java Crypto Extensions (JCE), Java Authorization Contract for Containers (JACC), JSR104 Java XML Signature Standard and JSR106 Java XML Encryption Standard.