Jack Avon is the director and principal consultant at Isys Systems (Ringwood) Ltd., a financial modeling and analysis company in the United Kingdom. He has broad industry experience with integrating in-house systems with Microsoft Excel and Access and developing custom models and management information systems. Mr. Avon has consulted in financial modeling since 1997 and has worked with clients in banking, media, telecommunications, transportation, construction, oil, gas, and the public sector. He is the founder of the Association of Financial Modelers; is an accredited member of the ACCA; and