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Misty Slopes

Analytics, Data Science, Lean Six Sigma, Training


Mark Zabel, Educator, Master Black Belt, Professional Statistician and Data Scientist with over 25 years of professional experience. I have helped many clients, students and customers gain insight and grow their careers and businesses.

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Lean Six Sigma / Continuous Improvement

Straight Line can help you with all your Lean Six Sigma needs, from coaching Black Belts & Green Belts, to guiding your implementation of Continuous Improvement.

Analyzing the data

Analytics, Big Data, Data Science

Straight Line has over 25 years experience in applying the practices of statistics and mathematics to business. We can help you improve your processes, build models to guide and understand your business , and allow you to draw better insight from data, measurement, and business intelligence.

doing work together

Education & Training

We offer training in broad range of statistical methodologies that can improve your business, including lean Six Sigma, business analytics, understanding statistics, using statistical software and Excel for analysis and modeling, analytical techniques for optimizing customer service, and other specialty courses.

Interested in getting advice from an experienced and professional Consultant? Email me today and see what I can do for you.

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"Mark is a proven expert in Six Sigma, data analysis, and software development. He is a results driven business executive that has a talent for coaching and mentoring his clients through tough and complex business challenges. I received Six Sigma Black Belt training and certification under Mark’s instruction. I highly recommend Mark and Straight-line Performance Solutions."

Dana Wilson, Vice President, Customer Experience and Process Improvement, Comcast

"Mark partnered with us to develop training materials and to partner with classroom training. He really listens to client needs, provides feedback to improve the results and delivers materials on time. He is a superb trainer that really knows how to convey complex subject matter in a way that everyone understands. He is very good at using examples to ensure understanding. He also makes training fun. I highly recommend him and I really enjoy working with him."

Willie Diefenbach-Jones, Senior Manager & Certified Trainer

"Mark has superb analytical and statistical and programming skills. Excellent problem solver."

John Rafferty, Executive, Property & Casualty Insurance

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