Natural and Applied Sciences


Steering Board

William Olsen, '95 (Chair)Bill Olsen

B.E. in Electrical Engineering, Vanderbilt University
MBA, Loyola University Maryland

Bill Olsen, director and system delivery lead for Booz Allen Hamilton's cyber and national agencies accounts, has been with the firm for 10 years. With a master's in business administration from Loyola University and a bachelor's of engineering in electrical engineering from Vanderbilt University, Bill has over 25 years of experience in large-scale systems development, high performance computing, and service-oriented architectures. He has directed initiatives in emerging best practices such as scaled agile framework and DevOps and has worked for large system integrators, including Northrop Grumman, Raytheon, TRW, and Westinghouse. He enjoys serving as a mentor to future technology leaders via Booz Allen's software development and architecture functional community and as a leader and advisor for STEM organizations and universities, including FIRST Robotics, STEMAction, and University of Maryland. Beyond his professional life, Bill enjoys spending time with his family and supporting his daughter's many academic and extra-curricular interests.

Brennen Baylor, '12

Thomas Clark, '91

B.S. in Physics, Loyola University Maryland
M.S. in Physics, Lehigh University
Ph.D. in Physics, University of Maryland College Park

Dr. Clark is the supervisor of the Electro-Optical and Infrared Systems and Technologies Group and a member of the Principal Professional Staff at The Johns Hopkins University Applied Physics Laboratory. He has over 25 years of research and development experience in the technology fields of lasers and electro-optics. Dr. Clark has worked as a research physicist in the Optical Sciences division at the Naval Research Laboratory, Washington, D.C., senior optical design engineer at the venture-backed Dorsal Networks, Columbia, Md., and director of photonics at Pharad, LLC in addition to his current position at JHU/APL. His current research interests focus on the development and characterization of low-noise and ultrafast photonic systems and devices and the application of photonics to problems in optical communications and microwave and millimeter wave systems. Dr. Clark is an active member of the IEEE Photonics Society and the Optical Society of America. He has served on and has been the chair of numerous conference technical subcommittees and has recently served as technical program and general program chair of the IEEE Photonics Conference.

Timothy Durkin, '79

B.S., Loyola University Maryland
M.Ed., University of Maryland

Mr. Tim Durkin is the department chair of science at Liberty High School. He teaches honors conceptual physics and advanced placement (A.P.) physics. Mr. Durkin is also the central maryland physics olympics coordinator and host. He is a national board certified teacher whose certification is in adolescent/young adult physics.

Gino Gemignani, '71

Gino Gemignani

B.S. in Physics, Loyola University Maryland
ACE, Baltimore Junior College

Gino Gemignani is retired as senior vice president after 52 years of service with The Whiting-Turner Contracting Company. He was responsible for the organization's business strategy and building technology initiatives. In addition to his leadership role at Whiting-Turner, he is actively involved in promoting and supporting organizations such as the Maryland Center for Education & Innovation (MCCEI) and the B&O Railroad Museum. He currently serves as the chairman of the board at Notre Dame of Maryland University. He also serves as a board member or trustee of the following: the Engineering Advisory Board of UMBC, Loyola University Maryland, St. Mary's Seminary and University; and the Engineering Advisory Committee of Loyola University Maryland. He is also a graduate of the LEADERship program of the Greater Baltimore Committee and Leadership Maryland. Mr. Gemignani received the Brother Bartholomew award from Mount St. Joseph High School, the Distinguished Alumni award from Baltimore City Community College, the Carroll Medal from Loyola College, the UMBC 2001 Engineer of the Year award and the 2003 Business Leader of the Year award from the Sellinger School of Business at Loyola. He is also a former chair of the Baltimore County Workforce Development Council, the Alliance for the Mentally Disabled, the Governor's Workforce Investment Board (GWIB) and the Collegetown Business Advisory Council.

Michael Hinkey, '80

Mike Hinkey

B.S. in Physics and Engineering Science, Loyola University Maryland
M.E. in Electrical Engineering, University of Virginia

Mike Hinkey is retired sector vice president and general manager, engineering, manufacturing & logistics for the electronic systems sector at Northrop Grumman. In this role, he was responsible for engineering, manufacturing, and logistics performance across the electronics sector's campuses. In addition, he was responsible for facility management and capital investment execution for the sector. Mike currently serves on the University of Maryland Baltimore County's Computer Science/Electrical Engineering Visiting Committee.

Todd Marks, '98


Todd Marks—2-time E.Y. Entrepreneur of the Year nominee, member of Baltimore Magazine's 40 under 40, and The Daily Record's Innovator of the Year—is the founder and CEO of Mindgrub Technologies. Mindgrub—a member of the Inc. 5000 for six years running and the Maryland Tech Council's Tech Company of the Year—is an agency at the intersection of technology and business, designing and engineering solutions that define a company's digital presence. Marks founded Mindgrub in 2002 and has since overseen award-winning projects for clients such as Wendy's, DELL, Exelon, Under Armour, Yamaha, Crayola, Adobe, Geico, ORACLE, A&E, The Economist, University of Maryland, NASA, and The Smithsonian.

Marks, a teacher-turned-technologist serves as the agency's chief everything officer, leading information architects, user experience specialists, designers, digital marketing experts, and world-class developers to solve challenges in the areas of: mobile and web application development; digital and traditional marketing; virtual, augmented, and mixed reality training applications; enterprise information systems; and robotics.

Mindgrub has received two gold ADDY Awards for Best Mobile App, the American Marketing Association's awards for Best Overall Marketing Campaign and Best Branding Campaign, the Gold Communicator Award for Best Mobile App, the BlueDrop Award for Best Fundraising Website, the Baltimore Business Journal's Big Buzz Award for Best Mobile App, MTC's Emerging Technology Company of the Year,'s Design Development Firm of the Year, and was one of Inc.'s Best Workplaces of 2017.

Marks has shared his vision for innovation in technology and business at conferences such as SXSW, Adobe Max, and SALT, and has been profiled in The Huffington Post, CNN, and Newsweek. He currently serves as the tech board chair for the MTC, and is a member of the Northeastern Maryland Technology Council Board of Directors and the Loyola University MBA program advisory board.

Lisa Mazzuca, '91

 Lisa Mazzuca

Dr. Lisa Mazzuca is the NASA search and rescue (SAR) mission manager. In that capacity she represents NASA both nationally and internationally to set policy and standards for the SAR community, as well as supply technological innovation and engineering expertise for satellite-aided emergency transmitters for air, land, and sea conditions. Dr. Mazzuca began her career at NASA in 1991 as a flight dynamics engineer, where she developed and coded mathematical specifications related to spacecraft orbit trajectories. She received a master's degree in astrophysics from John's Hopkins University in 1997, and then a doctorate in astronomy from the University of Maryland in 2006. In 1998 Dr. Mazzuca joined the Hubble Space Telescope Project to become its payload operations manager. In this capacity she managed the operational healthiness of all instruments onboard HST, as well as overseeing the next generation of instruments being developed. In 2005 she accepted the position of operations integration and test manager for the final servicing mission, where she guided the operations ground test program for the new and repaired instruments as well as the communications to Hubble via the space shuttle. Dr. Mazzuca has received several awards over her tenure at NASA including the Outstanding Leadership Medal in 2016, the Exceptional Service Medal, Silver Snoopy Astronaut Award and Space Flight Awareness Honoree Award in 2009, and the Goddard Space Flight Center Engineer of the Year in 2008.

Timothy E. Mueller, '85

B.S. in Chemistry, Loyola University Maryland
Ph.D. in Inorganic Chemistry, Texas A&M University

Dr. Mueller currently oversees the inorganic chemistry group residing in the Materials Science division of DuPont's Central Research & Development. Dr. Mueller leads a diverse team focused on delivering rationally designed and synthetic challenging materials across a wide range of compositional and size domains. In addition to his research role, Dr. Mueller also participates as a core member of DuPont's cyber security effort.

Karen Snetselaar

Karen Snetselaar

BLS, Iowa State University
M.S. in Botany (Mycology), Iowa State University
Ph.D. in Plant Pathology (Mycology), Iowa State University

Dr. Snetselaar is the graduate director and professor of the department of biology at Saint Joseph's University. Dr. Snetselaar is highly interested in science education in general, and specifically in promoting science education outreach into K-12 schools. Dr. Snetselaar is the director for the SJU GeoKids LINKS program, which brings hands-on science into Philadelphia classrooms.

Jennifer Tancreto, '95

B.S. in Mathematical Sciences, Loyola University Maryland
M.S. in Survey Methodology, University of Maryland

Jennifer is the assistant division chief for survey methodology in the Demographic Statistical Methods division at the U.S. Census Bureau, where she has worked for more than 20 years. In her current position, Jennifer manages several research teams that provide research services aimed at improving the cost and quality of data collection for the Census Bureau as well as other federal agencies. Prior to this position, Jennifer served in several leadership positions, providing direction for the American Community Survey (ACS) and decennial census research. She guided the agenda, design, implementation, and analysis of these research programs with the goal of maximizing the efficiency of data collection operations. In these roles, she led the ACS to its single-largest change since its inception—the introduction of web as a first mode in a sequential mixed-mode design, which resulted in significant cost savings.

Jennifer earned a master's degree from the joint program in survey methodology from the University of Maryland, and a bachelor's degree in mathematical sciences with a concentration in statistics from Loyola College in Maryland.

Michael Tangrea, '96

B.S. in Biology, Loyola University Marylandmichael-tangrea
Ph.D. in Molecular and Cellular Biology, University of Maryland

Dr. Tangrea is the director of translational research, Alvin & Lois Lapidus Cancer Institute, Sinai Hospital. He has co-authored 40 peer-reviewed publications, 10 book chapters, and seven review publications. Dr. Tangrea brings 22 years of experience in molecular biology, with a special interest in tissue microdissection and molecular pathology. He has co-invented a number of technologies enabling the molecular analysis of tissue specimens, resulting in six issued U.S. patents. Before joining the Alvin & Lois Lapidus Cancer Institute, Dr. Tangrea conducted research at the National Cancer Institute in Bethesda, Md., for over 12 years.