Frank Stanley, age 65, has served on the Board since 2009. Mr. Stanley serves as a member of our Audit, Compensation and Nominating and Corporate Governance Committees. He is currently Co-Chief Executive Officer and Chief Financial Officer of Retail Concepts, Inc., a privately-held retail chain of 31 stores in 11 states with over seven hundred employees. Prior to joining Retail Concepts, Inc. in 1988, he was Chief Financial Officer of Southpoint Porsche Audi WGW Ltd. from 1987 to 1988. From 1985 to 1987, he was employed by KPMG Peat Marwick, holding the position of Manager, Audit in 1987. From 1983 to 1984, he was Chief Financial Officer of Design Research, Inc., a manufacturer of housing for offshore drilling platforms. From 1980 to 1982, he was Chief Financial Officer of Tiger Oilfield Rental Co., Inc. and, from 1977 to 1979, he was an accountant with Trunkline Gas Co. Mr. Stanley holds a B.B.A. in Accounting from Texas A&M University and is a certified public accountant. Mr. Stanley has an extensive background in accounting and financial matters, which qualify him for service as a member of our Board and Audit, Compensation, and Nominating and Corporate Governance Committees. 

Dr. Nancy Chang, age 73, is currently serving as a member of the board of directors of Ansun Biopharma, Inc., a clinical late-stage biopharmaceutical company, where she was the Chief Executive Officer from March 2017 until July 2022. In addition to her role with Ansun Biopharma, Inc., she has also served as the Chair and Founder of Apex Capital, an investment management company focused on investments in healthcare, education and socially responsible ventures, since January 2009, and has served as President of the Tang Family Foundation since March 2009. Dr. Chang also served on the board of directors of Helix Acquisition Corp. from October 2020 until April 2022. From 2007 to 2012, Dr. Chang was the Founder, Chair and Senior Managing Director of Caduceus Asia Partners at OrbiMed Advisors L.L.C. Prior to that, Dr. Chang was the Co-Founder, President, Chief Executive Officer and Chair of Tanox, Inc. from 1986 to 2006, where she led the company through an initial public offering in 2000 and growth to a $1 billion public valuation until its acquisition by Genentech Inc. in 2007. From 1980 to 1986, Dr. Chang held several leadership positions at Centocor Biotech Inc., where she served as Director of Research. In addition, Dr. Chang has served on the boards of several other companies, including Charles River Laboratory International, Inc., Eddingpharm (Cayman) Inc., Crown Bioscience Inc., Applied Optoelectronics, Inc., SciClone Pharmaceuticals, Inc., BIO, and BioHouston and a number of other private companies.  She has also previously served on the board of directors of the Federal Reserve Bank in Houston.

Throughout her career, she received numerous awards from academic, industrial, national and international organizations. She was named the Most Respected Woman in Biotechnology in 2005, Forbes Twenty-Five Notable Chinese Americans list in 2008 and was the first woman to receive the Biotechnology Heritage Award in 2012. She has published more than 35 papers on topics ranging from monoclonal antibodies to human immunodeficiency virus (HIV) and holds seven patents. Dr. Chang graduated from National Tsing Hua University in Taiwan and Brown University and received her Ph. D. from the Division of Medical Sciences at Harvard Medical School in 1979.

Daniel O. Conwill IV is Chief Financial Officer for Durfort Holdings, SRL and affiliated companies, an international conglomerate engaged in the manufacture and sale of cigars and other tobacco products. Prior to serving in his current position, Mr. Conwill served as Co-Chief Executive Officer and Head of Investment Banking at Seaport Global Securities (“Seaport”). Prior to Seaport, Mr. Conwill was the Founder, Chairman of the Board and Chief Executive Officer and manager of the Investment Banking Group at Global Hunter Securities ("Global Hunter.") Prior to forming Global Hunter, Mr. Conwill was Executive Vice President and Co-Director of Corporate Finance at Jefferies & Company, Inc. ("Jefferies & Co”). While at Jefferies & Co, Mr. Conwill founded its oil and gas investment banking group in 1993 and managed that group until his departure in 2005. Prior to joining Jefferies & Co in 1993, Mr. Conwill was a Managing Director in Corporate Finance at Howard, Weil, Labouisse, Friedrichs, Inc. Mr. Conwill's professional career started in the tax department with Arthur Andersen & Co. Mr. Conwill received his Bachelor’s and Master’s Degrees in Accounting from the University of Mississippi and has a law degree from the University of Mississippi's School of Law. Mr. Conwill brings valuable leadership and management skills as a result of his roles as the Chairman of the Board and Chief Executive Officer of Global Hunter and Co-CEO of Seaport Global.

Daniel O. Conwill IV is Chief Financial Officer for Durfort Holdings, SRL and affiliated companies, an international conglomerate engaged in the manufacture and sale of cigars and other tobacco products. Prior to serving in his current position, Mr. Conwill served as Co-Chief Executive Officer and Head of Investment Banking at Seaport Global Securities (“Seaport”). Prior to Seaport, Mr. Conwill was the Founder, Chairman of the Board and Chief Executive Officer and manager of the Investment Banking Group at Global Hunter Securities ("Global Hunter.") Prior to forming Global Hunter, Mr. Conwill was Executive Vice President and Co-Director of Corporate Finance at Jefferies & Company, Inc. ("Jefferies & Co”). While at Jefferies & Co, Mr. Conwill founded its oil and gas investment banking group in 1993 and managed that group until his departure in 2005. Prior to joining Jefferies & Co in 1993, Mr. Conwill was a Managing Director in Corporate Finance at Howard, Weil, Labouisse, Friedrichs, Inc. Mr. Conwill's professional career started in the tax department with Arthur Andersen & Co. Mr. Conwill received his Bachelor’s and Master’s Degrees in Accounting from the University of Mississippi and has a law degree from the University of Mississippi's School of Law. Mr. Conwill brings valuable leadership and management skills as a result of his roles as the Chairman of the Board and Chief Executive Officer of Global Hunter and Co-CEO of Seaport Global.

Virginia Boulet, age 66, has served on the Board since March 2005. She is currently Chair of the Nominating and Corporate Governance Committee and a member of the Compensation Committee. From 2004 through 2018, Ms. Boulet was an adjunct professor of law at Loyola University Law School. Since April 2014, she has been employed as Managing Director of Legacy Capital, LLC. From 2002 to March 2014, Ms. Boulet was employed as Special Counsel to Adams and Reese, LLP, a law firm. Prior to 2002, Ms. Boulet was a partner at the law firm Phelps Dunbar, LLP. Ms. Boulet has over 20 years of experience in mergers and acquisitions, equity securities offerings, general business matters and counseling clients regarding compliance with federal securities laws and regulations. Ms. Boulet currently serves on the board of directors of CenturyLink, Inc., a telecommunications company. She also serves as chair of the nominating and corporate governance committee of CenturyLink, as well as a member of the board’s compensation committee. Service on this board and its committees has provided her the background and experience of board processes, function, exercise of diligence and oversight of management. In the past, she served as President and Chief Operating Officer of IMDiversity, Inc., an on-line recruiting company. Ms. Boulet received a B.A. in Medieval History from Yale University, and a J.D., cum laude, from Tulane University Law School. With her public company board experience and recruiting experience as president of a recruiting company, Ms. Boulet is well suited as a member of our Board, the Compensation Committee and to the Nominating and Corporate Governance Committee functions of identifying and evaluating individuals qualified to become board members and evaluating our corporate governance policies. Her legal background also provides her with a high level of technical expertise in reviewing transactions and agreements and addressing the myriad of legal issues presented to the Board.

Frank Stanley, age 65, has served on the Board since 2009. Mr. Stanley serves as a member of our Audit, Compensation and Nominating and Corporate Governance Committees. He is currently Co-Chief Executive Officer and Chief Financial Officer of Retail Concepts, Inc., a privately-held retail chain of 31 stores in 11 states with over seven hundred employees. Prior to joining Retail Concepts, Inc. in 1988, he was Chief Financial Officer of Southpoint Porsche Audi WGW Ltd. from 1987 to 1988. From 1985 to 1987, he was employed by KPMG Peat Marwick, holding the position of Manager, Audit in 1987. From 1983 to 1984, he was Chief Financial Officer of Design Research, Inc., a manufacturer of housing for offshore drilling platforms. From 1980 to 1982, he was Chief Financial Officer of Tiger Oilfield Rental Co., Inc. and, from 1977 to 1979, he was an accountant with Trunkline Gas Co. Mr. Stanley holds a B.B.A. in Accounting from Texas A&M University and is a certified public accountant. Mr. Stanley has an extensive background in accounting and financial matters, which qualify him for service as a member of our Board and Audit, Compensation, and Nominating and Corporate Governance Committees. 

Dr. Nancy Chang, age 73, is currently serving as a member of the board of directors of Ansun Biopharma, Inc., a clinical late-stage biopharmaceutical company, where she was the Chief Executive Officer from March 2017 until July 2022. In addition to her role with Ansun Biopharma, Inc., she has also served as the Chair and Founder of Apex Capital, an investment management company focused on investments in healthcare, education and socially responsible ventures, since January 2009, and has served as President of the Tang Family Foundation since March 2009. Dr. Chang also served on the board of directors of Helix Acquisition Corp. from October 2020 until April 2022. From 2007 to 2012, Dr. Chang was the Founder, Chair and Senior Managing Director of Caduceus Asia Partners at OrbiMed Advisors L.L.C. Prior to that, Dr. Chang was the Co-Founder, President, Chief Executive Officer and Chair of Tanox, Inc. from 1986 to 2006, where she led the company through an initial public offering in 2000 and growth to a $1 billion public valuation until its acquisition by Genentech Inc. in 2007. From 1980 to 1986, Dr. Chang held several leadership positions at Centocor Biotech Inc., where she served as Director of Research. In addition, Dr. Chang has served on the boards of several other companies, including Charles River Laboratory International, Inc., Eddingpharm (Cayman) Inc., Crown Bioscience Inc., Applied Optoelectronics, Inc., SciClone Pharmaceuticals, Inc., BIO, and BioHouston and a number of other private companies.  She has also previously served on the board of directors of the Federal Reserve Bank in Houston.

Throughout her career, she received numerous awards from academic, industrial, national and international organizations. She was named the Most Respected Woman in Biotechnology in 2005, Forbes Twenty-Five Notable Chinese Americans list in 2008 and was the first woman to receive the Biotechnology Heritage Award in 2012. She has published more than 35 papers on topics ranging from monoclonal antibodies to human immunodeficiency virus (HIV) and holds seven patents. Dr. Chang graduated from National Tsing Hua University in Taiwan and Brown University and received her Ph. D. from the Division of Medical Sciences at Harvard Medical School in 1979.

Virginia Boulet, age 66, has served on the Board since March 2005. She is currently Chair of the Nominating and Corporate Governance Committee and a member of the Compensation Committee. From 2004 through 2018, Ms. Boulet was an adjunct professor of law at Loyola University Law School. Since April 2014, she has been employed as Managing Director of Legacy Capital, LLC. From 2002 to March 2014, Ms. Boulet was employed as Special Counsel to Adams and Reese, LLP, a law firm. Prior to 2002, Ms. Boulet was a partner at the law firm Phelps Dunbar, LLP. Ms. Boulet has over 20 years of experience in mergers and acquisitions, equity securities offerings, general business matters and counseling clients regarding compliance with federal securities laws and regulations. Ms. Boulet currently serves on the board of directors of CenturyLink, Inc., a telecommunications company. She also serves as chair of the nominating and corporate governance committee of CenturyLink, as well as a member of the board’s compensation committee. Service on this board and its committees has provided her the background and experience of board processes, function, exercise of diligence and oversight of management. In the past, she served as President and Chief Operating Officer of IMDiversity, Inc., an on-line recruiting company. Ms. Boulet received a B.A. in Medieval History from Yale University, and a J.D., cum laude, from Tulane University Law School. With her public company board experience and recruiting experience as president of a recruiting company, Ms. Boulet is well suited as a member of our Board, the Compensation Committee and to the Nominating and Corporate Governance Committee functions of identifying and evaluating individuals qualified to become board members and evaluating our corporate governance policies. Her legal background also provides her with a high level of technical expertise in reviewing transactions and agreements and addressing the myriad of legal issues presented to the Board.

Daniel O. Conwill IV is Chief Financial Officer for Durfort Holdings, SRL and affiliated companies, an international conglomerate engaged in the manufacture and sale of cigars and other tobacco products. Prior to serving in his current position, Mr. Conwill served as Co-Chief Executive Officer and Head of Investment Banking at Seaport Global Securities (“Seaport”). Prior to Seaport, Mr. Conwill was the Founder, Chairman of the Board and Chief Executive Officer and manager of the Investment Banking Group at Global Hunter Securities ("Global Hunter.") Prior to forming Global Hunter, Mr. Conwill was Executive Vice President and Co-Director of Corporate Finance at Jefferies & Company, Inc. ("Jefferies & Co”). While at Jefferies & Co, Mr. Conwill founded its oil and gas investment banking group in 1993 and managed that group until his departure in 2005. Prior to joining Jefferies & Co in 1993, Mr. Conwill was a Managing Director in Corporate Finance at Howard, Weil, Labouisse, Friedrichs, Inc. Mr. Conwill's professional career started in the tax department with Arthur Andersen & Co. Mr. Conwill received his Bachelor’s and Master’s Degrees in Accounting from the University of Mississippi and has a law degree from the University of Mississippi's School of Law. Mr. Conwill brings valuable leadership and management skills as a result of his roles as the Chairman of the Board and Chief Executive Officer of Global Hunter and Co-CEO of Seaport Global.

Frank Stanley, age 65, has served on the Board since 2009. Mr. Stanley serves as a member of our Audit, Compensation and Nominating and Corporate Governance Committees. He is currently Co-Chief Executive Officer and Chief Financial Officer of Retail Concepts, Inc., a privately-held retail chain of 31 stores in 11 states with over seven hundred employees. Prior to joining Retail Concepts, Inc. in 1988, he was Chief Financial Officer of Southpoint Porsche Audi WGW Ltd. from 1987 to 1988. From 1985 to 1987, he was employed by KPMG Peat Marwick, holding the position of Manager, Audit in 1987. From 1983 to 1984, he was Chief Financial Officer of Design Research, Inc., a manufacturer of housing for offshore drilling platforms. From 1980 to 1982, he was Chief Financial Officer of Tiger Oilfield Rental Co., Inc. and, from 1977 to 1979, he was an accountant with Trunkline Gas Co. Mr. Stanley holds a B.B.A. in Accounting from Texas A&M University and is a certified public accountant. Mr. Stanley has an extensive background in accounting and financial matters, which qualify him for service as a member of our Board and Audit, Compensation, and Nominating and Corporate Governance Committees. 

Virginia Boulet, age 66, has served on the Board since March 2005. She is currently Chair of the Nominating and Corporate Governance Committee and a member of the Compensation Committee. From 2004 through 2018, Ms. Boulet was an adjunct professor of law at Loyola University Law School. Since April 2014, she has been employed as Managing Director of Legacy Capital, LLC. From 2002 to March 2014, Ms. Boulet was employed as Special Counsel to Adams and Reese, LLP, a law firm. Prior to 2002, Ms. Boulet was a partner at the law firm Phelps Dunbar, LLP. Ms. Boulet has over 20 years of experience in mergers and acquisitions, equity securities offerings, general business matters and counseling clients regarding compliance with federal securities laws and regulations. Ms. Boulet currently serves on the board of directors of CenturyLink, Inc., a telecommunications company. She also serves as chair of the nominating and corporate governance committee of CenturyLink, as well as a member of the board’s compensation committee. Service on this board and its committees has provided her the background and experience of board processes, function, exercise of diligence and oversight of management. In the past, she served as President and Chief Operating Officer of IMDiversity, Inc., an on-line recruiting company. Ms. Boulet received a B.A. in Medieval History from Yale University, and a J.D., cum laude, from Tulane University Law School. With her public company board experience and recruiting experience as president of a recruiting company, Ms. Boulet is well suited as a member of our Board, the Compensation Committee and to the Nominating and Corporate Governance Committee functions of identifying and evaluating individuals qualified to become board members and evaluating our corporate governance policies. Her legal background also provides her with a high level of technical expertise in reviewing transactions and agreements and addressing the myriad of legal issues presented to the Board.

Dr. Nancy Chang, age 73, is currently serving as a member of the board of directors of Ansun Biopharma, Inc., a clinical late-stage biopharmaceutical company, where she was the Chief Executive Officer from March 2017 until July 2022. In addition to her role with Ansun Biopharma, Inc., she has also served as the Chair and Founder of Apex Capital, an investment management company focused on investments in healthcare, education and socially responsible ventures, since January 2009, and has served as President of the Tang Family Foundation since March 2009. Dr. Chang also served on the board of directors of Helix Acquisition Corp. from October 2020 until April 2022. From 2007 to 2012, Dr. Chang was the Founder, Chair and Senior Managing Director of Caduceus Asia Partners at OrbiMed Advisors L.L.C. Prior to that, Dr. Chang was the Co-Founder, President, Chief Executive Officer and Chair of Tanox, Inc. from 1986 to 2006, where she led the company through an initial public offering in 2000 and growth to a $1 billion public valuation until its acquisition by Genentech Inc. in 2007. From 1980 to 1986, Dr. Chang held several leadership positions at Centocor Biotech Inc., where she served as Director of Research. In addition, Dr. Chang has served on the boards of several other companies, including Charles River Laboratory International, Inc., Eddingpharm (Cayman) Inc., Crown Bioscience Inc., Applied Optoelectronics, Inc., SciClone Pharmaceuticals, Inc., BIO, and BioHouston and a number of other private companies.  She has also previously served on the board of directors of the Federal Reserve Bank in Houston.

Throughout her career, she received numerous awards from academic, industrial, national and international organizations. She was named the Most Respected Woman in Biotechnology in 2005, Forbes Twenty-Five Notable Chinese Americans list in 2008 and was the first woman to receive the Biotechnology Heritage Award in 2012. She has published more than 35 papers on topics ranging from monoclonal antibodies to human immunodeficiency virus (HIV) and holds seven patents. Dr. Chang graduated from National Tsing Hua University in Taiwan and Brown University and received her Ph. D. from the Division of Medical Sciences at Harvard Medical School in 1979.

Frank Stanley, age 65, has served on the Board since 2009. Mr. Stanley serves as a member of our Audit, Compensation and Nominating and Corporate Governance Committees. He is currently Co-Chief Executive Officer and Chief Financial Officer of Retail Concepts, Inc., a privately-held retail chain of 31 stores in 11 states with over seven hundred employees. Prior to joining Retail Concepts, Inc. in 1988, he was Chief Financial Officer of Southpoint Porsche Audi WGW Ltd. from 1987 to 1988. From 1985 to 1987, he was employed by KPMG Peat Marwick, holding the position of Manager, Audit in 1987. From 1983 to 1984, he was Chief Financial Officer of Design Research, Inc., a manufacturer of housing for offshore drilling platforms. From 1980 to 1982, he was Chief Financial Officer of Tiger Oilfield Rental Co., Inc. and, from 1977 to 1979, he was an accountant with Trunkline Gas Co. Mr. Stanley holds a B.B.A. in Accounting from Texas A&M University and is a certified public accountant. Mr. Stanley has an extensive background in accounting and financial matters, which qualify him for service as a member of our Board and Audit, Compensation, and Nominating and Corporate Governance Committees.