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Company / Management Team

Shahal M. Khan
Executive Chairman

Shahal Khan’s career as an investor, entrepreneur and social venture capitalist spans over 22 years, with investments encompassing Telecoms, Real Estate, Energy, Natural Resources, Technology (specific emphasis on Internet-related communications technologies and advanced cyber security solutions) as well as various other industrial sectors. He has been...


John Galinski
Chief Executive Officer

John Galinski is CEO of Global Data Sentinel. John recently left a 13-year stint as the CIO of financial advisory firm Geller & Company to found Global Data Sentinel. He has 30 years of experience in the design, development and implementation of telecommunications, networking, router and server...


Nigel Walker
Chief Technology Officer

Nigel Walker is CTO of Global Data Sentinel. Nigel has spent his entire career as a serial entrepreneur in the UK, building software development companies and working with key technologies from multimedia and commodity computer peripherals to leading edge Financial Information Systems and Identity Management Solutions. Currently he is also...


Robert A. Schaeffer
Chief Revenue Officer

Robert A. Schaeffer is Chief Revenue Officer of Global Data Sentinel. Robert has over 25 years of experience in various business development roles within the financial services investment industry, with roles for KPMG Peat Marwick, Rothstein Kass, EisnerAmper and Equity Trust Fund Services. He also co-founded and served as a...


Dr. Nameer Haider
President of Healthcare

Dr. Nameer Haider is a serial entrepreneur with vast experience in healthcare and technology. He is a graduate of King Edward Medical University and is triple board certified in physical medicine & rehabilitation, pain medicine and interventional pain management.He has founded clinical institutes and Ambulatory...


Alf Poor
Chief Operating Officer

Alf has been successfully working with technology-based companies for more than 15 years, helping guide them through periods of high-growth and profitability. Notable successes have seen one company acquired by Aol, and another featured in the Top 10 of Deloitte’s European Fast 500....


Dr. Tarique Zahir
Executive Vice President

Dr. Tarique Zahir is a physician entrepreneur residing in Northern Virginia with extensive experience in healthcare and technology. He graduated with a Bachelor of Science degree from Wake Forest University in Winston-Salem, North Carolina and received his Medical Degree from Marshall University School of Medicine in...


Shafi Khan
Vice President of Business Development

Shafi Khan started his career with a family-owned Telecom company (First Ever Wholesale VoIP Wholesaler) Global Voice Telecom and subsequently founded other 4 successful companies, helping establish and maintain C-Level level relationships in the Entertainment, Telecom, IT and Energy sectors. This has been the key to a...