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Math Team

Jeffrey Clark, Ph.D. Project Manager, Mathematics
Having earned a doctorate in Electrical Engineering from Virginia Polytechnic Institute and State University, Dr. Clark is a full-time professional writer whose technical background includes diverse areas such as applied electromagnetics, digital image processing, computer programming, computer hardware and theoretical physics. His scholarly works have appeared in such publications as the International Journal of Microwave and Optical Technology and the Proceedings of IEEE Antennas and Propagation Society International Symposium. An accomplished, published writer, Clark pays keen attention to grammatical and stylistic issues in writing ensuring material is clear and concise.

Sreela Datta, Ph.D. Lead Author, Mathematics
Dr. Datta’s varied background includes a doctorate in physics, engineering and IT software development experience, math tutoring, and parenting a child on the autistic spectrum. Her interests extend far beyond technical topics and include literature, history, psychology, and philosophy. Her work experience includes companies like B drive, Aquent , and Ford Motor Company, where she served as a software developer, technical writer, and business analyst. She has extensive experience preparing software documentation, training and study materials (physics, math and organizational development), and articles on scientific, technical, and general topics.

Leslie Evans, M.A.
Ms. Evans, who holds a Master’s of Art in Education, has taught as an adjunct professor at Rollins College in Winter Park, Florida where she designed and delivered math for elementary teachers’ methods course. She also served as President of Professional Ed Corporation, an editorial services company specializing in K-6 education products. During her five years as mathematics editor for Harcourt Brace School Publishers, she oversaw analysis and integration of state mathematics curriculum frameworks, and developed and edited elementary mathematics materials. Ms. Evans also taught in Dade/Broward county public schools for 12 years.

Susan Andres, M.A. Author, Editor and Proofreader
Ms. Andres has a Master’s degree in Curriculum and Instruction from the University of Chicago. More than eight years as a middle school math teacher and 15 years of business experience make her uniquely qualified to create curriculum and test questions that correlate to testing standards for assessments like the SAT, AP, GMAT, LSAT, and teacher certification tests. Her exceptional knowledge of English grammar and mechanics makes her a valuable editor and proofreader. Ms. Andres has served as an author for XAMonline for such diverse subjects as mathematics, chemistry, general science, and general knowledge.

Linda Foster, Ph.D. Educational Psychology
With a doctorate of educational psychology and numerous titles such as Art and Science of Teaching Mathematics and United States Naval Academy Annapolis in her portfolio, Ms. Foster brings a decade of professional experience in technical research, writing, and editing. She has authored numerous XAMonline math guides at all levels. Dr. Foster holds two advanced degrees and has considerable experience in research and writing in the fields of psychology and mathematics. Additionally, she has grant writing experience and is familiar with NIH and human-study protocols. Well-versed at a variety of style guides including CSE, APA, and MLA, she possesses a solid knowledge of English grammar, spelling, vocabulary, punctuation, diction, and related skills.

Andrew Knott, B.A. Author, Editor and Copywriter
A National Merit Scholar and valedictorian of his high school, Mr. Knott obtained his Bachelor’s degree from University of Central Florida (UCF), graduating with a 4.0 GPA. His decision was initially between law and molecular biology/microbiology. As a Research Analyst (Science Writer) for UCF, he concentrated on writing and editing journal articles, reviews, grant proposals, and scientific manuscripts, using his scientific background as the foundation of his writing career. Mr. Knott’s articles have appeared in several publications including ARS Forum Issue, The New York Academy of Science’s Annals, and Trends in Neuroscience. Mr. Knott has pulled on both his strong science background as we as his expertise as a tennis professional and certified U.S. Professional Tennis Association member to contribute to numerous science and physical education certification guides.

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