Roberta Schwartz Wennik MS RDN

Roberta brings something unique to the dietetic profession – she is an expert in the MBTI® (Myers-Briggs Type Indicator®), as well a a registered dietitian.  She combines the two fields to present a personality approach to health. Roberta likes to say “know your type and you can improve your life”.

She is also the holder of a U.S. patent for the innovative nutrient monitoring system, Drawing the Line on Calories, Carbs, and Fat.  Through testing and research at the University of Washington, this system was shown to have statistically significant effect in helping people make healthy changes to their lifestyle habits.

Roberta did her undergraduate work at the University of California at Berkeley.  She received her master’s degree in Nutrition from the University of Washington, followed by her certification and RDN credentials from the Academy of Nutrition and Dietetics.  She then became a certified practitioner of the MBTI®.

She loves to write as you can see from the many books and popular magazine articles she has authored.  At heart, she is a teacher no matter whether it’s speaking to a group of people, in front of a classroom, or sharing her knowledge in her books.

Roberta and her husband, Larry, started the company, Affordable Editing Services at www.affordableeditingservices.com to help others achieve their dream of having their work published, whether it be a book, blog posts, magazine articles, etc.  As they like to say, “no author should be without an editor”.


ToEatorNotToEat-WennikTo Eat or Not to Eat, That Is the Question

Labyrinth Publishing Works (2014)

Everything you do in life requires a decision.  Why not make healthy decisions to improve your life?  This book helps you learn how through the use of your personality type and the Z-Pattern of decision-making.  Whether it’s a decision about what to eat, when to eat, how much to eat, or any other lifestyle decision (e.g. exercising), this book will help you make the best decisions.


Your Personality Lifestyle: Living Healthy Through TypeYour Personality Lifestyle

Labyrinth Publishing Works (2011)

(Formerly “A Diet for Every Personality Type) is a 3-part ebook series to help you identify your personality type and that of 15 other types.  See how the 16 types set goals, how they lose weight, exercise and reduce stress.




Your Personality Diet by Roberta Schwartz Wennik, MS, RDNYour Personality Diet

Labyrinth Publishing Works (2012)

Find the diet plan that’s right for your type.  Take the personality quiz on this site and then get the book that written just for you.




Drawing_the_Line_On_Calories_Carbs_and_FatDrawing the Line on Calories, Carbs, and Fat

Labyrinth Publishing Works (2006)

Drawing the Line is a patented monitoring system that gives users a connect-the-dots approach to tracking food intake and exercise.  You no longer have to write everything down.  Just draw lines between dots and create a picture of how you’re eating.


Boomer's Guide for Getting the Weight Off ... For Good by Roberta Schwartz Wennik, MS, RDN

Boomer’s Guide to Getting the Weight Off…For Good

Alpha Books, 2004

Baby boomers (and, actually, all adults) – you CAN take the weight off and keep it off permanently by taking your personality into consideration.





Your Personality Prescription by Roberta Schwartz Wennik, MS, RDNYour Personality Prescription

Kensington (1999)

Groundbreaking book that introduces the innovative concept of understanding personality type to improve your lifestyle habits.






Beyond Food Labels by Roberta Schwartz Wennik, MS, RDNBeyond Food Labels

Perigee, 1996

Shows consumers how to use the Daily Values listed on food labels.  Over 1000 foods included.





Nutrition Facts for Better Bodies 

HealthEdco (1993)

An easy-to-read overview of basic nutrition facts.

What’s New on the Label?

HealthEdco (1993)

A pocket-sized booklet on understanding how to read and use the information on food labels.

Roberta’s articles have appeared in:

Wennik appears in Outlook, Elegant Bride, Fitness, Fit MagazineFit Magazine            Cooking Light

Fitness                        Elegant Bride

Eating Well               Mature Outlook




Roberta has been a spokesperson for such companies as Coca-Cola, Vitamin Water, and APRE (Alliance for Potato Research and Education).


For those in the Seattle area, you’ve heard her on Station 1150 KKNW, “You’re Talkin’ with Joe Schipacci”.


Roberta has appeared on television on PBS, Fox News and TLC, sharing good nutrition facts for the consumer, personality typing, as well as recipes and cooking tips.  






Roberta volunteers at the local community college, helping adults in the Adult Basic Education Department achieve their GED (General Education Development), a high-school equivalent diploma.  She also has worked with the Snohomish LIteracy Group.  Many people need support in reading, writing and math.  Volunteering in her granddaughters’ classes is great joy for her when seeing  kids’ eyes light up as they get that “aha” moment.  At heart, Roberta is a teacher, no matter what she’s doing or who she is working with.