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This might not directly answer your question, but there are a couple of books in the "Lecture Notes in Computer Science" series which are a collection of papers in Applicable/Applied algebra. I am including google books links for these. This might give you an idea of the kind of work taking place in these areas and the people involved. In recent times, I think, there have been a good number commutative algebraists, algebraic geometers, number theorists and combinatorialists working parallel in these areas.

http://books.google.com/books?id=Q61sdIbZdJEC&pg=PA359&dq=applicable+algebra&hl=en&ei=pZjdTOe6JZmJnAffvJyuDw&sa=X&oi=book_result&ct=result&resnum=4&ved=0CD0Q6AEwAw#v=onepage&q=applicable%20algebra&f=false

http://books.google.com/books?id=YVKzPSseyu4C&printsec=frontcover&dq=applicable+algebra&hl=en&ei=pZjdTOe6JZmJnAffvJyuDw&sa=X&oi=book_result&ct=result&resnum=2&ved=0CDIQ6AEwAQ#v=onepage&q&f=false