Heli Helskyaho holds a Master’s degree (Computer Science) in Helsinki University and she is specialized on databases. Heli is also an Oracle ACE Director and a frequent speaker in many conferences. She has been working on IT since 1990 and with Oracle products since 1993. She has been in several positions but every role has always included database design. Heli has been an Oracle Designer user since 1996 and a Data Modeler user since 2010. Heli has been a board member and/or president of Oracle User Group Finland since 2001 and spokesperson/ambassador for EMEA Oracle user groups community (EOUC) since 2007. She is also the CEO for Miracle Finland Oy. Heli believes that good database design and good documentation reduces performance problems and makes solving them easier.