Meet the Coordinators

We believe research must be conducted by professionals who are invested in more than just the work - It must be conducted by those invested in the outcomes and stories of the people who benefit from the resultant therapies.

We are honored to be your committed partner and tireless advocate.


Melissa Voigt is a Wisconsin native who attended the University of Wisconsin – LaCrosse, and graduated with a degree in Community Health Education. She returned to the Milwaukee area upon graduation and began working for the Wisconsin Athletic Club as a Fitness Specialist. In 2001, Melissa accepted a job as a Clinical Research Coordinator and has been working in the field ever since. She joined Allegiance Research Specialists in 2003, and has added Certified Clinical Research Coordinator to her already impressive resume.  She finds her job very fulfilling and enjoys meeting new people and helping others. In her free time, Melissa enjoys running, reading, and spending time with her 3 active boys, husband of 16 years and friends.



Sandy Vogen is a graduate from Mount Mary College with a BA in Business/Professional Communications and resides in Lake Country. Sandy has joined our team as a Research Coordinator in 2010 due to the growth and expansion of our progressive research group. Her prior work experience includes more than 15 years as a Purchasing Professional, working with numerous commodities. Sandy enjoys her transition into research having a solid background in health and fitness working as a Personal Trainer. Sandy is blessed with two boys and her husband of more than 14 years. She loves fitness and reading.


Nancy Niemann was born and raised in Nebraska and graduated from Nebraska Wesleyan University with a BS in Business/Finance. She spent 10 years in the Insurance Industry before staying home to raise their four children.  Nancy and her husband of almost 26 years lived in the Kansas City area before moving up north and calling Wisconsin home. Nancy joined Allegiance Research Specialists in 2014 and finds the transition back into the workforce very rewarding. She enjoys the field of research and all the new people she meets through clinical trial participation. In her free time, Nancy enjoys running, triathlons, reading, and spending time with family and friends.



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Address:  2645 N. Mayfair Road - Suite 200 * Wauwatosa, WI 53226

Phone:  414.727.8131

Fax:  414.479.1811