Our Team of Professionals

William H. Stoller

Co-Founder and Vice Chairman
William H. Stoller is co-founder and vice chairman of Express Employment Professionals. In 2012, Express helped 367,000 people find jobs through our more than 600 franchises located in three countries. Temporary staffing sales for the international company totaled more than $2.3 billion in that same timeframe.

Stoller is president of The Stoller Group, owning 23 Express offices in Oregon, Washington, Arizona, Nevada, Colorado and California. He also owns Xenium, a professional employer organization and Stoller Family Estate, a vineyard and winery located on nearly 400 acres in the heart of Oregon’s Willamette Valley.

Prior to co-founding Express, Stoller began his career with Acme Personnel Services in 1973 as a consultant trainee and subsequently held positions as branch manager, group manager, district manager and regional manager for Oregon and Utah.

Professional affiliations:

  • American Staffing Association, past board member and 2009 chairman
    National Association of Personnel Services, past board member
    and 2001 chair
  • National Association of Professional Employer Organizations, member
  • International Franchise Association, member
  • Oregon Association of Personnel Consultants, former president
  • World Presidents’ Organization, Oregon chapter chair

Community involvement:

  • A-dec Advisory, board member
  • Pacific University Board of Trustees, member and past chairman
  • Rotary Club of Portland, 35-year member and former president

Education and Certifications:

  • Bachelor of Business and Economics, Pacific University
  • Master of Business Administration, Portland State University
  • Certified Staffing Professional, American Staffing Association
  • Certified Personnel Consultant, National Association of Personnel Services
  • Certified Franchise Executive, International Franchise Association

Julie Tate

As the Operating Partner for Express Healthcare Professionals, Mrs. Tate offers more than 25 years of combined healthcare and professional staffing to the Express organization. During her 25 year career she has made a significant impact in the financial and operational accomplishments of the organizations she’s worked for ranging from selling and implementing multi-million dollar onsite staffing relationships with large, multi-location hospital systems, to operationally stabilizing offices and increasing profitability. Tate joined Express Employment Professionals in 2012 after spending almost ten years at Medical Staffing Network, where she was the Sr. Vice President of the West region and managed all local branch operations and Managed Service Provider (MSP)partnerships for the west third of the United States. Additionally, Tate created and managed MSN’s national after hours call center which supported clients and employees with staffing needs after normal office business hours. Prior to her role at MSN, she worked for InteliStaf Healthcare as their Dir. of Operations and Dir. Of Marketing. While at InteliStaf she successfully sold the first healthcare MSP in the northwest and implemented their onsite program prior to leaving and joining MSN.

Jenny A. Schwenke

Partner, President and Developer
Jenny Schwenke, CSP, is a partner, president and developer of the Stoller region of Express Employment Professionals with 24 locations in Oregon, Washington, Colorado, Arizona, Nevada, and California.

Schwenke graduated from the University of California Davis where she excelled as the captain of the Women’s Basketball team and earned a bachelor’s degree in sociology. She also earned the Certified Staffing Professionals designation from American Staffing Association.

Schwenke began her career with Express Employment Professionals in 1996 as a temporary associate, quickly developed into a leader, and subsequently held positions as staffing consultant, business developer, branch manager, regional manager and vice president of the Stoller region.

Today, Jenny’s responsibilities include growing current franchises and opening new franchises within the Stoller region. She excels at this through self-leadership and accountability. She has a passion for finding the right people to develop into strong leaders who succeed throughout their career. Jenny’s determination, leadership, and unique ability to connect with people, easily translates into her coaching and personal life.

Jenny has deep roots in the Portland/Metro area community. She is been an active youth sports coach for over 15 years and has coached all ages including primary, middle school, high school and college athletes. Jenny is just as passionate about volunteering as she is coaching. She currently volunteers her time as a “Big Sister” for Big Brothers Big Sisters Columbia Northwest and has remained an active member on their board of directors since 2008.

While passionate about work, coaching and volunteering, Jenny’s greatest passion is her family. Jenny has a blended family of 6 and all are extremely active as student athletes, partaking in a variety of different sports including basketball, football and soccer. Being a committed mother, mentor, and coach is what Jenny knows as normal. She loves giving back in the workplace, the community and her family, and is a great example of how one person can affect so many lives.

Wayne Marschall

Chief Financial Officer of The Stoller Group
As CFO for The Stoller Group, Marschall is responsible for the Finance, Accounting, IT, Real Estate and Legal activities of the 24 Express Employment Professional offices in Oregon, Washington, Arizona, Nevada, Colorado and California. He also serves as the CFO for Xenium Resources and Stoller Family Estate winery. During his 30+ years career, Marschall has acquired a diverse background having held senior finance positions in professional service firms, investment management and global manufacturing businesses. His industry background includes high-technology, consumer products, industrial goods, petrochemicals and commercial real estate sectors. His successes have resulted from establishing strategic direction and management systems, managing organizational change, improving business processes, mitigating risks and capitalizing on opportunities created by rapid growth or change. Prior to joining The Stoller Region in 2012, Marschall served as Senior Vice President for Aequitas Capital Management, an investment management firm with over $250 million in assets under management offering private equity funds invested in mid-sized businesses. He provided oversight of several equity portfolio companies and provided financial leadership to operating teams to drive growth and improved financial performance in order to maximize shareholder value. As a Partner in the professional services firm Tatum LLC, Marschall served several clients as Chief Financial Officer and Board Member with a focus on mergers and acquisitions. His clients included craft beer producer Widmer Brothers Brewing, specialty bedding manufacturer Comfor-Pedic and real estate development firm Schnitzer Investment Corp. Marschall also has held senior corporate finance positions for several large global firms including: SUMCO Oregon (formerly Mitsubishi Silicon America), a global supplier of silicon wafers to the semiconductor industry, NACCO Materials Handling Group, a global manufacturer of lift-trucks and Cornell Pump Co., a global industrial pump manufacturer.
Marschall holds a Bachelor of Science in Finance degree from Northeastern University and a Master of Business Administration from George Fox University.
Marschall began his 21 year career with Shell Oil Company and held positions of increasing responsibility in the petroleum refining and chemicals businesses in various U.S. locations and also Corporate Finance. As an expatriate in the U.K. for three years, he served as International Finance Director for a business unit of Shell and was responsible for the finance activities within Europe, Middle East, Africa and Asia.
Wayne is active in the Portland, Oregon business community serving as Board Member and President of the Portland Chapter of Financial Executives International. FEI is a non-profit, international organization of senior finance executives with over 11,000 members.

Nina Cisneros

Director of Recruitment and Credentialing
With over 15 years of healthcare staffing and recruiting experience, Nina Cisneros leads the daily staffing and recruitment functions for Express Healthcare Professionals. Cisneros broad and unique skill set provides an opportunity for both clients and associates of Express Healthcare Professionals to work with an understanding, competent healthcare professional. Prior to joining Express, Cisneros has worked on large recruitment projects and most recently successfully recruited and placed RN’s for the new Kaiser Westside Medical Center location as well as for Oregon Health and Sciences University. During her tenure at Medical Staffing Network she gradually increased responsibility and launched several successful new business initiatives. After joining MSN and rapidly growing their Travel Nurse program, she assisted in the sales, implementation and management of a large MSP relationship in Oregon with a multi-site Acute Care system. She also managed daily operations as the Branch Manager of their Oregon location.

Brad Tate

Strategic Manager
Brad Tate joined Express Healthcare in June, 2018 as their Strategy Manager. Brad joins Express with over 20 years of healthcare experience. Prior to joining Express he spent 13 years as a Location Manager for several of the Kaiser Permanente Optical clinics in Oregon. Before joining Kaiser, Brad managed the 4th largest Lenscrafters on the west coast. He grew up in Oregon City where his grandparents instilled in him a very strong work ethic and to lead by example. Currently, Brad lives in Wilsonville, OR. He is a proud member of the Opticians Association of America and if Brad isn’t spending time with his family, he may also be playing soccer, a hobby that has taught him valuable life lessons, and that he has enjoyed since he was 4 years old.

As our Strategy Manager, Brad will continue to develop relationships with our current and prospective clients and our clinical staff.

Christina Muniz

Clinical Director
In 2013, Christina Muniz received her Associates Degree in Nursing from Breckinridge School of Nursing in Portland, Oregon.  She began her nursing career at a small critical access hospital on the southern Oregon coast, where she was able to experience all aspects of patient care. Christina then moved on to a medical and infusion unit, and later a neurosurgery and orthopedic medical-surgical unit both at Portland area hospitals. In February 2015, Christina joined Express Healthcare Professionals as a per-diem nurse, picking up shifts at local hospitals in the medical/surgical arena. She enjoyed the flexibility to plan her work as a nurse around the activities of her three children.

Christina’s clinical specialties include neurosurgery, orthopedic surgery, and acute medical-surgical nursing. She enhanced her leadership skills by serving as a charge nurse of a 36-bed unit. Christina has been involved in orienting new nurse employees, as well as precepting and mentoring nursing students during their clinical rotations.

Prior to her career as a registered nurse, Christina spent 10 years in business management and sales, real estate, and property management in her home state of Hawaii, on the island of Oahu. The interpersonal and problem-solving skills she developed during this time has enabled her to better manage complex situations she has encountered as a nurse.

In August, 2016, Christina accepted the position of National Clinical Director of Express Healthcare Professionals. She is excited to combine both her clinical knowledge and her business background to support the clinical needs of Express Healthcare Professionals.

Caring for people and forming relationships with her patients and coworkers is Christina’s passion. She believes in providing safe and exceptional care to every patient she encounters.

Christina is currently pursuing her Master of Science in Nursing Leadership and Management through Western Governors University.