(2011)  Apple Certified Associate - Mac Integration 10.7
(2011)  Apple Certified Support Professional (ACSP) 10.7
(2012)  Apple Certified Technical Coordinator (ACTC) 10.7
(2012)  Apple Certified Support Professional (ACSP) 10.8
(2013)  Apple Certified Technical Coordinator (ACTC) 10.8
(2014)  Apple Certified Support Professional (ACSP) 10.9
(2014)  Apple Certified Technical Coordinator (ACTC) 10.9
(2015)  Apple Certified Support Professional (ACSP) 10.10
(2017)  Apple Certified Support Professional (ACSP) 10.12

(2013)  Cisco Certified Entry Networking Technician (CCENT) [expired]
(2013)  Cisco Certified Network Associate - Routing and Switching (CCNA - RS) [expired]
(2014)  Cisco CCNA Security [expired]
(2014)  Cisco CCNA Wireless [expired]
(2015)  Cisco Certified Design Associate (CCDA) [expired]
(2017)  Cisco CCNA Cyber Ops [expired]
(2019)  Cisco CCNA Routing and Switching (recertification) [expired]

(2005)  CompTIA A+
(2005)  CompTIA Security+
(2006)  CompTIA Network+
(2013)  CompTIA Linux+
(2013)  CompTIA Advanced Security Practitioner (CASP) [expired]
(2013)  CompTIA Cloud Essentials
(2013)  CompTIA Cloud+ [expired]

(2014)  CWTS - Certified Wireless Technology Specialist

(2018)  Docker Certified Associate

(2015)  Esri Certified ArcGIS Desktop Associate 10.1
(2015)  Esri Certified ArcGIS Desktop Developer Associate 10.1

(2017)  ITIL Foundation Certificate in IT Service Management

(2004)  IBM Certified for e-business - Solution Designer
(2004)  IBM Certified Solution Developer - XML and Related Technologies
(2005)  IBM Certified Solution Developer - Web Services Development with WebSphere Studio V5.1
(2010)  IBM Certified SOA Associate
(2014)  IBM Certified Database Associate - DB2 10.1 Fundamentals
(2014)  IBM Certified Solution Developer - DB2 9.7 SQL Procedure
(2014)  IBM Certified Application Developer - DB2 9.7 for Linux, Unix and Windows
(2015)  IBM Certified Solution Advisor - Big Data & Analytics V1
(2017)  IBM Certified Solution Advisor - DevOps V1

(2020)  ICAgile Certified Professional

(2004)  Infoteria XML Master

(2013)  LPIC-1 (Linux Professional Institute Certified Level 1)
(2016)  LPIC-2 (Linux Professional Institute Certified Level 2) [expired]

(2003)  Microsoft Certified Professional (MCP)
(2003)  Microsoft Certified Application Developer (MCAD)
(2003)  Microsoft Certified Solution Developer (MCSD)
(2004)  Microsoft Certified Database Administrator (MCDBA)
(2009)  Microsoft Certified Technology Specialist - Windows Vista Configuration
(2009)  Microsoft Certified Technology Specialist - .NET Framework 3.5, Windows Forms Applications
(2009)  Microsoft Certified Technology Specialist - .NET Framework 3.5, Windows Presentation Foundation Applications
(2010)  Microsoft Certified Technology Specialist - Windows Server 2008 Active Directory Configuration
(2010)  Microsoft Certified Technology Specialist - Windows Server 2008 Network Infrastructure Configuration
(2010)  Microsoft Certified Technology Specialist - Windows Server 2008 Applications Infrastructure Configuration
(2010)  Microsoft Certified Technology Specialist - Windows 7 Configuration
(2014)  Microsoft Specialist: Programming in HTML5 with JavaScript and CSS3
(2016)  Microsoft Specialist: Configuring Windows Devices
(2016)  Microsoft Certified Solutions Associate (MCSA): Web Applications

(2004)  MySQL 4 - Core
(2004)  MySQL 4 - Professional
(2006)  MySQL 5.0 Developer
(2006)  MySQL 5.0 DBA

(2013)  Novell Certified Linux Administrator - SUSE Linux Enterprise 11

(2004)  OMG-Certified UML Professional Fundamental
(2004)  OMG-Certified UML Professional Intermediate

(2005)  Oracle Certified Associate, Database 10g Administrator [expired]
(2005)  Oracle Certified Professional, Database 10g Administrator [expired]
(2005)  Oracle Certified Associate, PL/SQL Developer
(2011)  Oracle Certified Expert, NetBeans Integrated Development Environment 6.1 Programmer
(2013)  Oracle Certified Associate, Java SE 7 Programmer
(2013)  Oracle Certified Professional, Java SE 7 Programmer
(2013)  Oracle Certified Associate, Oracle Solaris 11 System Administrator
(2014)  Oracle Certified Expert, Java EE 6 Web Component Developer
(2014)  Oracle Database 12c Administrator Certified Associate
(2015)  Oracle Certified Associate, Java SE 8 Programmer
(2016)  Oracle Certified Professional, Java SE 8 Programmer

(2019)  Certified Associate in Python Programming (PCAP)

(2015)  SAS Certified Base Programmer for SAS 9
(2015)  SAS Certified Advanced Programmer for SAS 9

(2003)  Sun Certified Programmer for the Java 2 Platform 1.4 (SCJP)
(2003)  Sun Certified Web Component Developer for the Java 2 Platform, Enterprise Edition 1.3 (SCWCD)
(2003)  Sun Certified Developer for the Java 2 Platform (SCJD)
(2003)  Sun Certified Business Component Developer for the Java 2 Platform, Enterprise Edition 1.3 (SCBCD)
(2004)  Sun Certified System Administrator for the Solaris 9 Operating System (SCSA)
(2004)  Sun Certified Security Administrator for the Solaris 9 Operating System (SCSecA)
(2005)  Sun Certified Developer for Java Web Services (SCDJWS)
(2005)  Sun Certified Web Component Developer for the Java 2 Platform, Enterprise Edition 1.4 (SCWCD)
(2006)  Sun Certified Network Administrator for the Solaris 9 Operating System (SCNA)
(2006)  Sun Certified Programmer for the Java 2 Platform 5.0 (SCJP)
(2007)  Sun Certified System Administrator for the Solaris 10 Operating System (SCSA)
(2008)  Sun Certified Programmer for the Java 2 Platform 6.0 (SCJP)

(2014)  VMware Certified Associate - Data Center Virtualization (VCA-DCV)

(2014)  Zend Certified PHP Engineer (v5.5)