Dr. Gerard M. Verschuuren
is a human geneticist who studied and worked
at universities in Europe and the USA.
Currently, he specializes in using computer programs such as Excel, XLfit, Access, VBA, VB.NET and C#.NET for scientific and other purposes - and he provides training on these programs.
In addition, he is a Microsoft Certified Professional.

Dr. Verschuuren is also the author of many popular books, CDs, and DVDs listed below. His work is well known for its clarity: New ideas are introduced clearly, followed by excellent examples that illustrate the concept. Dr. V. has a happy knack of laying out positions quickly and clearly, and he has a real gift for setting down an idea diagrammatically, separating out concepts with a few strokes of the pen.
As a professor in Europe, Dr. V. was highly respected and known for his gift of simplifying complicated issues. His work will give you the expertise you are searching for.

More information in Wikipedia