Meet the ODTUG Board

The ODTUG Board of Directors is a group of volunteers elected by the ODTUG membership to serve the community at large. Directors serve two-year terms and are your direct link to all things ODTUG.


Natalie Delemar - President   @EssbaseLady

Natalie Delemar is a Consultant with Ernst & Young and has been working with Essbase since 1999 and Planning since 2007. Prior to becoming a Consultant in 2010, she held roles as an Essbase Developer, Hyperion Administrator, and Hyperion Systems Manager at various companies. She has been a volunteer with ODTUG since 2008 and served as Kscope12 and Kscope13's EPM/BI Content Chair, Co-Chaired Kscope14, and served as the Kscope15 Conference Chair.


directorDanny Bryant - Vice President   @dbaOnTap

Oracle ACE Director, Danny Bryant, is currently a Sr. Solutions Architect at Snowflake. Danny serves as the vice president of ODTUG, the Vice President of the Georgia Oracle Users Group (GAOUG), ODTUG, and has been published in RMOUG SQL>Update magazine. Danny was also an adjunct instructor with the Oracle Academy, teaching SQL and data modeling throughout the US and Europe. Prior to his public sector work in Atlanta, Danny was a senior engineer with Andersen, LLP, where he focused on business process re-engineering for the hospitality, telecom, and call-center industries. He received a BS in computer science from the Georgia Institute of Technology. In his free time, he scuba dives, enjoys training in various forms of martial arts with his two kids, tweets from @dbaOnTap, and blogs at Danny resides in Atlanta, Georgia with his family.

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Mike Riley - Secretary   @Mike_ODTUG

Mike Riley has served many roles for ODTUG: Vice President, President, Conference Chair, Conference Co-Chair, and Oracle OpenWorld Content Chair. Mike is an Oracle ACE Alumni, was a columnist for Oracle Magazine, and was named 2014 ODTUG Volunteer of the Year at the fantastic Kscope14 Conference in Seattle!

Mike is a Project Manager/DBA with Hortica Insurance and Employee Benefits, an insurance company dedicated to providing the very highest-quality insurance products and employee benefits to the horticultural industry. Mike has 25+ years of experience in consulting with the Department of Defense, working for a large clothing and shoe retailer, and in his current position. He has led many successful projects throughout his career, including leading a development team to create a rating system for worker’s compensation insurance using Designer, Developer, Reports, and other third-party tools. He has also taken part in many database upgrades/migrations and disaster recovery planning and testing scenarios.

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directorGary Crisci - Treasurer    @garycrisci

Gary Crisci is a Senior Financial Systems Leader and Oracle ACE with 20 years of finance and IT experience, specializing in Oracle EPM software. During his career, Gary has held various positions as a consultant and industry professional working for top-tier companies such as Siemens, Morgan Stanley, and General Electric. He is the EPM Principal Technologist for GE, helping to lead the company’s global EPM shared service deployment. Gary has an MBA in information systems and lives in Connecticut with his wife and two sons.

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aceKaren Cannell - Director    @thtechnology

Karen is president of TH Technology, a consulting firm providing Oracle technology services, and an Oracle ACE. A mechanical engineer by degree (one of them), she has analyzed, designed, developed, converted, upgraded, enhanced, and otherwise implemented legacy and commercial database applications for over 25 years, concentrating on Oracle technologies. She has worked with Application Express since its Web DB beginnings and continues to leverage Oracle tools to build quality web applications for government, medical, and engineering industries. Karen is Editor Emeritus of the ODTUG Technical Journal, a 2015 Oracle Developer Choice finalist, 2012 ODTUG Volunteer of the Year, and co-author of Expert Oracle Application Express, Agile Oracle Application Express, and Beginning Oracle Application Express 4.2. Karen is an active member of ODTUG, IOUG, RMOUG, and NOUG. 


directorTim German - Director    @CubeCoderDotCom

Tim is a British expat who lives with his family in Chicago, Illinois. He has worked with Oracle tools since 1998 and is currently a Director at Qubix, an Oracle Partner focused on EPM/BI products. Tim’s particular area of expertise is the design of systems built on the Essbase platform. Since 2015, he has been recognized as an Oracle ACE, and since 2017 he has been recognized as an Oracle ACE Director. 

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directorRoel Hartman - Director    @RoelH

Roel started a long time ago using Oracle RDBMS 5, Oracle Forms 2.3, RPT/RPF and Oracle*Case 4.5. For the past few years he focuses mainly on Oracle Application Express.

Roel has been a speaker at UKOUG, OOW, Collaborate, ODTUG Kscope, and a number of local Oracle User Groups. Within ODTUG he acted as the APEX Content Lead for the ODTUG Kscope14 and Kscope15 conferences and was a member of the ODTUG Board of Directors in 2016.

He keeps an (APEX-related) blog on In June 2009 Roel received an Oracle ACE award and in August 2010 he was appointed as Oracle ACE Director. Roel is a co-writes of the Expert Oracle Application Express and Oracle Application Express for Mobile Web Applications books.

Roel is director at APEX Consulting in The Netherlands.

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ACE AlumniEric Helmer - Director  @erichelmer

Oracle Ace Alumni Eric Helmer has provided technical IT services for many of the Fortune 500 in every aspect of Oracle implementations including global architecture/design, installation/configuration, backup/recovery, high availability, and customized IT educational services. He has been involved in leading most of Oracle’s largest EPM/BI implementations in its history with projects throughout the US, England, Ireland, India, UAE, Singapore, and Thailand.

Eric leads an extensive global privately managed cloud organization specializing in Oracle Business Analytics system hosting, administration, maintenance, and rapid response on-demand helpdesk services.

The Oracle Corporation awarded Eric the title of Oracle ACE Director in 2009 and he has been spotlighted in Oracle Magazine, Oracle Profit Magazine, and Oracle Technology Network. He is a long-standing champion and volunteer for Oracle user groups and has served on SIG boards for the Oracle Application Users Group (OAUG) and is a frequent contributor to Oracle Developer Tools User Group (ODTUG).

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associate Jake Turrell - Director    @HyperionNerd

Jake is a Senior Solution Architect with over 23 years of experience implementing Enterprise Performance Management solutions. Jake began his career as a financial systems intern at Dell, where he administered IMRS Micro Control, the predecessor to Hyperion Enterprise. After graduating from the University of Texas at Austin with a degree in management information systems, Jake joined Ernst & Young’s Management Consulting practice. In 1998, Jake moved to Navigator Systems, where he rose to the level of OLAP Practice Lead. Since 2003, Jake has been an independent consultant focused on the implementation of Hyperion Planning, PBCS, Essbase, and related technologies.

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Veronica Snow - Executive Director   @VeronicaJSnow

Veronica Snow is the Executive Director of ODTUG. She previously served as Senior Project Manager for conferences of various associations, technology user groups, and higher-education institutions. Her strengths include working with volunteers and boards, conference management, editing, and overall brainstorming and implementation of ambitious projects under tight time constraints.