CLL GLOBAL - Key Persons


Byron "Mack" Rankin

Job Titles:
  • Founding Chairman

Diane Lee

Job Titles:
  • Member of the Board of Directors
  • Kraitman Board Secretary, Member Audit Committee

Dr. Michael Keating

Job Titles:
  • Member of the Board of Directors
  • Member of the Scientific Advisory Board
  • Founder, CLL Global Research Foundation, Member Scientific Advisory Board
  • Founding Director of CLL Global Research Foundation
  • Professor, Department of Leukemia / University of Texas MD Anderson Cancer Center
Dr. Keating serves as the Founding Director of CLL Global Research Foundation. He is an internationally renowned CLL clinical scientist and a Professor of Medicine in Hematology at MD Anderson Cancer Center. He has been a member of the faculty of MD Anderson Cancer Center since 1977. His major pursuits are developing new potentially curative therapies for CLL and developing rational combinations of new agents in the treatment of leukemia in general. Among his many honors, Dr. Keating has received the Service to Mankind Award from the Leukemia Society of America, the Charles A. LeMaiatre Outstanding Achievement Award in Cancer, and the Binet-Rai Medal for outstanding contributions to CLL. In 2018, he received the Giants of Cancer CareĀ® award for his lifetime achievements in advancing CLL clinical research.

Martin Raber

Job Titles:
  • Member of the Board of Directors
  • Member of the Investment Committee
  • Professor of Medicine at the University of Texas MD Anderson Cancer Center
Dr. Raber has been a Professor of Medicine at The University of Texas MD Anderson Cancer Center for over 25 years. Born in New York, educated in Europe, Canada and the United States, his career has included work as a clinician, teacher, investigator and executive. Throughout his career, Dr. Raber has maintained a clinical practice in oncology focusing on the problem of patients with unknown primary tumors, an area of expertise for which he is well known, and on which he has written and lectured extensively. As a cancer patient himself, Dr. Raber has experienced the treatments as well as the complications of the illness. He continues to work at the cancer center at a reduced level, and focuses on patient care and education.

Nicholas Chiorazzi

Job Titles:
  • Member of the Scientific Advisory Board
  • Professor, Institute of Molecular Medicine for Medical Research / Feinstein Institute for Medical Research

Phyllis Gordon Cohen

Job Titles:
  • Member of the Board of Directors
Ms. Cohen has served on various boards including the Smart Museum of Art at the University of Chicago, the University of Chicago Visiting Committee for the Visual Arts, and the Film Commission of Greater Kansas City. She was born in York, PA, and graduated from the University of Pennsylvania, B.A. with Honors, Summa Cum Laude, and Phi Beta Kappa. She graduated from the University of Pennsylvania Law School where she received the Nathan Burkan Award. She practiced law in Los Angeles with Kadison, Pfaelzer, Woodard, Quinn & Rossi, a prior iteration of the Los Angeles office of Arnold & Porter. Her practice focused on commercial litigation with an emphasis on antitrust defense and copyright infringement action. She currently resides in Kansas City, MO.

Rich Marschner

Job Titles:
  • Member of the Board of Directors
  • Board Vice - Chair, Member Investment and Audit Committees
Rich Marschner spent his career in commercial classical radio and as lead editor at two consumer magazines. Mr. Marschner founded The Denver Magazine in 1975. He then became Editor-In-Chief at Colorado Magazine. He has managed radio stations in Chicago and in Cleveland, where he was co-owner of classical WCLV for more than 20 years. Mr. Marschner served for ten years on the board of the Facial Pain Association (FPA), which supports patients suffering from a range of cranial nerve conditions. He has edited several publications on behalf of the FPA. Mr. Marschner now lives with his wife, Wiley Cornell, in Tucson, AZ.

Robert Nichols

Job Titles:
  • Member of the Board of Directors
  • President of the Nichols Companies
Mr. Nichols has served as president of The Nichols Companies since 1972. Nichols is a dealership network of construction machinery, representing multiple manufacturers in seven stores throughout Texas. Their most popular product is the Bobcat. Mr. Nichols graduated from the Colorado School of Mines in 1966 and received his MBA from Southern Methodist University in 1969. He has served on the boards of the Boys Clubs of Dallas and Preston Trail Golf Club. Mr. Nichols is an active director of Hilltop Holdings as well as MD Anderson Cancer Center, where he has served on the Membership Committee, on the Development Committee of the Board of Visitors, as co-chair of the South Campus initiative, and currently as a member of the Campaign Executive Committee. Mr. Nichols was the co-founder and past chairman of the MD Anderson Cancer Center Dallas Living Legends Luncheon and co-founder and host of the MD Anderson Cancer Center Aspen Summer Symposium.

Steve Winfield

Job Titles:
  • Member of the Board
  • Member of the Board of Directors
  • Member of the Scientific Advisory Board
  • Board Chair, Member Investment and Audit Committees, Scientific Advisory Board
Steve has 40 years of experience covering every aspect of corporate incubation, growth, operations, and highly successful exits. He has cultivated and applied entrepreneurial skills to every role in his career, including almost 30 years as Founder and CEO of 3 Cos. Steve has held key management roles in Strategic Product Direction/Development, Operations, Tactical Alliances/Partnerships, Marketing/Sales and Engineering. He founded QuantumLink in 1994 to invent a completely new, disruptive telecommunications product category. Steve conceived the product, orchestrated all corporate and product development, created inertia and gained market traction, then sold the company in 2000. After founding Quantum Capital to invest in equipment leases, he founded LiquidLink and grew it into one of the largest Bordeaux importers/distributors in the US. He sold the importing rights and substantial goodwill in 2012, then the inventory. Recently, Steve's interests are in life sciences. He has been a Director of the CLL Global Research Foundation Board since 2014. He is an investor and serves on the Board of Navan Technologies, an innovative cellular delivery platform technology. Steve has close connections with doctors at leading medical research institutions all over the world.

William Plunkett

Job Titles:
  • Member of the Board of Directors
  • Member of the Scientific Advisory Board
  • Member Scientific Advisory Board
  • Professor
  • Professor, Department of Experimental Therapeutics / University of Texas MD Anderson Cancer Center
Dr. Plunkett has been a professor in the Department of Experimental Therapeutics at MD Anderson Cancer Center for over 30 years, where he holds the Barnts Family Distinguished Chair for Cancer Research. Originally from Massachusetts, Dr. Plunkett earned his Ph.D. in biochemistry from the University of Massachusetts and worked as a research fellow at the University of Pennsylvania prior to coming to MD Anderson Cancer Center. Dr. Plunkett's research has focused on the development of novel therapeutics to treat hematological cancers, including CLL. He is a leader in the field of pharmacology and has lectured extensively throughout the world.

William Wierda - Chairman

Job Titles:
  • Chairman
  • Member of the Board of Directors
  • Member of the Scientific Advisory Board
  • President and CEO, Member Scientific Advisory Board, Audit Committee
  • Professor, Department of Leukemia / University of Texas MD Anderson Cancer Center
Dr. Wierda currently serves as the President and CEO of CLL Global Research Foundation. He is Professor and Medical Director for the Department of Leukemia and Executive Medical Director for Leukemia, Lymphoma and Stem Cell Transplant at The University of Texas MD Anderson Cancer Center. Dr. Wierda received his doctorate of philosophy in microbiology and immunology and his medical degree from the University of Health Sciences/The Chicago Medical School. He subsequently completed an internship and residency in internal medicine at Duke University Medical Center, followed by a fellowship in hematology and medical oncology at the University of California, San Diego. Dr. Wierda's research focuses on identifying immunology and immunotherapy strategies for hematologic malignancies, particularly chronic lymphocytic leukemia (CLL). He has served as principal investigator or co-investigator for numerous clinical trials, lectured nationally and internationally, and published extensively on clinical and translational aspects of CLL and drug development. Dr. Wierda serves as Chair and Value Pathways Task Force Member for the NCCN CLL/SLL/Hairy Cell Leukemia Panel. He also is an editorial board member for JNCCN-Journal of the National Comprehensive Cancer Network and a scientific review committee member for the NCCN Oncology Research Program.