About the Reviewers

Zal Parchem has been in the business world working in the Information Systems area for over 31 years. For the past 10 years, he has been working as an Independent Consultant, concentrating on helping small to midsize companies install and customize their ERP (Enterprise Resource Planning) systems. He has restricted his work efforts to the SAP Business One (SAP B1) ERP system and is actively involved in many SAP Forums, SAP Blogging areas, and the Wiki sections for SAP B1. He works with SAP, SAP B1 Partners, and Customers around the world. For the past three years, Zal Parchem has been using SQL extensively in SAP B1 for reporting and customization purposes in SAP B1.

He has been employed in a variety of industries, with company sizes ranging from six personnel to over 250,000 employees. Having retired from The Home Depot in 2001, he started his career as an Independent Consultant.

He has also written a "guerrilla handbook" titled Project Methodology and Documentation for SAP Business One Implementations. He actively reviews all SAP B1 books available in print; his reviews can be seen online at Amazon.

Muddassar Imran is a passionate Web Developer. He is the Web Developer at Page and Moy, UK. He is a First Class Graduate from DMU (De Montfort University, Leicester UK) and was awarded the best final year project award from BCS (British Computer Society). Moreover, he is a Professional Member of BCS. He is enthusiastic about modern expert system and database administration. He has aesthetic skills in writing complex SQL Queries, ASP.NET, VB.NET and AJAX.

Imran was born in Gujranwala, a small city famous for its peaceful atmosphere. He attended Suffa Secondary School at 10th Grade and achieved the highest scores in his city. He got admission at the Government College University, Lahore for further education in Computer Science. He went to Malaysia for higher education and finished a Higher Diploma in Computing Studies from KDU College Malaysia. Then he went back to Pakistan and worked with Wateen Telecom Pvt. Ltd. and Telenor for two years, primarily developing web-based applications and working on automation projects.

Muddassar then traveled to the United Kingdom to attend the De Montfort University. In 2010, he received his Bachelors in Computer Science. While studying at DMU, he was working with Venus Packaging Solutions Ltd. As a VB.NET Developer until March 2011 and then joined Page & Moy in April 2011.

Further, Imran writes on his blog (www.blog.mudasar.co.uk) and his personal website is www.mudasar.com. For relaxation, he likes to workout at the gym and travel.

After passing B-Tech in Computer Science and Engineering Wolfgang Niefert joined ITSL Technologies as a .Net developer in June 2007. He worked on ERSys (ERP Systems) and internal CRM product of ITSL Technologies. He then moved to SAP as TechnoFunctional consultant, and also provided training on TB1000, TB1100, TB1200 books. After that he joined Sapphire systems in June 2010 as SAP SDK Support consultant.

He is an active contributor to the SAP sdn community. He got gold contribution status in the year 2010 in sdn community.