Xenex Leadership Team

Chief Executive Officer: Morris Miller

Morris Miller

As CEO, Morris Miller is responsible for Xenex’s overall business strategy and oversight of day-to-day operations. He is also the founder of Sequel and Cutstone Ventures, where he invests in and acts as an advisor to numerous startup and established technology companies such as Inventables, OptimizedNow and Golfballs.com.

Previously, Morris was co-founder and President/CEO of Rackspace Hosting, Inc. which now has more than 175,000 customers, over $1 billion in annual revenue, and a market cap in excess of $4 billion. Prior to Rackspace, Morris started Curtis Hill Publishing, the first company to publish Texas case law on CD-ROM. Early in his career, Morris was an attorney at Matthews & Branscomb, now part of Cox Smith, San Antonio’s oldest and largest law firm.

He is an alumnus of Phillips Exeter Academy, The University of Texas at Austin and The Dedman School of Law at Southern Methodist University.

Chief Epidemiologist, Founder: Julie Stachowiak, PhD

Julie Stachowiak

Dr. Stachowiak is a founder of Xenex and, as its Chief Epidemiologist, she is responsible for efficacy reporting and data quality-assurance with a focus on statistical validity. She establishes and recommends protocols for healthcare facilities utilizing Xenex’s technology, evaluates their infection control results, and helps them maximize outcomes utilizing Xenex’s recommended best practices standards. Dr. Stachowiak also oversees research and study design, grant applications and manuscript preparation.

Dr. Stachowiak is an infectious disease epidemiologist who holds a doctoral degree from Johns Hopkins School of Public Health and two master’s degrees in public health and international affairs from Columbia University.

She has been involved in research and program implementation in Russia and the former Soviet Union since 1993, including NIH, USAID and Global Fund research.  In 1993, Dr. Stachowiak co-founded AIDS infoshare Russia, an offshoot of infoshare international, an organization committed to lessening the suffering caused by HIV/AIDS. From 2003-2005, she was a member of the faculty of the Johns Hopkins School of Public Health.

Chief Scientific Officer, Founder: Mark Stibich, PhD


Dr. Stibich is a founder of Xenex and, as its Chief Scientific Officer, he oversees scientific research, product development, facility assessments, and protocol design. He leads new technology development and is an inventor on multiple patents.

Dr. Stibich meets frequently with infection prevention representatives at healthcare facilities, helping them understand and solve their infection control problems while analyzing hospital results. He has conducted CEU sessions for APIC chapters, has presented at SHEA and AHE conferences, and is regarded as a thought leader in the infection control community.

Dr. Stibich holds a doctoral degree from the Johns Hopkins University School of Public Health, a Masters in Health Science, also from Johns Hopkins, and a bachelor’s degree from Yale University.

He has conducted research in Russia, Tajikistan, Afghanistan, South Africa, Kenya, the United States and Brazil.

Chief Operations Officer: Paul Froutan

Paul Froutan, COO

As COO, Paul is responsible for establishing and optimizing operational processes, customer service, engineering, product development, supply chain, manufacturing and IT departments.

Paul has extensive experience in the high technology and IT services industries, and was recently Google’s head of Global Data Center Infrastructure, responsible for building and managing Google’s worldwide computation fleet.

Prior to Google, Paul was the vice president of product development at Rackspace Hosting, Inc. where he led the team that pioneered the launch of Rackspace Cloud and other key managed services. Paul joined Rackspace immediately after its inception in January 1999 and played an integral role in the company’s growth while building Rackspace’s data center and network.

Previous to Rackspace, Paul served as a project manager and engineer with the IPM division of Schlumberger, Ltd. He received a B.S. degree in Mechanical Engineering and an MBA from the University of Texas at Austin.

Advisory Board

Glenn Halff, MD

Glenn is the director of the Transplant Center at the University of Texas Health Science Center at San Antonio.

He received his medical degree at the University of Texas Medical School in Houston, Texas, completed his residency and internship at New York University in New York City, and his transplant fellowship at the University of Pittsburgh.

In 1992, he started the liver transplant program at University of Texas Health Science Center at San Antonio where he performs adult and pediatric liver and kidney transplants.

Matthew Rhodes-Kropf, PhD

Matthew Rhodes-Kropf is a member of the Entrepreneurial Management Unit at Harvard Business School, where he teaches courses on Venture Capital and Private Equity in the MBA elective curriculum and in executive education programs.

Matthew specializes in mergers and acquisitions, venture capital, and corporate governance. He has published in leading finance and economic journals, including The Journal of Finance, The RAND Journal of Economics, and The Journal of Business.

A graduate of Duke University, Matthew Rhodes-Kropf holds a BA in computer science and economics and an MA and Ph.D. in economics.

A. J. Rosmarin

A. J. is an advisor and strategist with over 30 years of experience in the management and administration of hospitals and physician group practices. He has held senior management or consulting positions at IBM Healthcare Consulting, Innovative Managed Care Systems, Tenet Healthcare, Booz, Allen & Hamilton, as well as a national PPO.

He received a BS from Indiana University and an MBA from the University of Louisville. He has been a board member of a number of major healthcare organizations and is a frequent speaker as a healthcare subject matter expert.