Who We Are

Meet Some Of Our Curious Minds

We are a team of diverse professionals on a joint quest to make healthcare safer, simpler & less stressful.

Passionate, curious & intelligent. These are our partners in change.

This is Pieces Tech.

  • Ruben Amarasingham, MD, MBA
    Ruben Amarasingham, MD, MBA
    President and CEO
Ruben Amarasingham, MD, MBA
President and CEO

Ruben Amarasingham, MD, MBA, is founder and CEO of Pieces Technologies, and inventor of the Pieces™ software platform. The driving force behind our organization: he is an expert in the development and evaluation of health information technology, the application of predictive modeling in healthcare, and the use of innovative care models to improve quality, lower costs, and connect communities. Dr. Amarasingham has received scientific grant awards in these areas from the NIH, NSF, AHRQ, Commonwealth Fund, Robert Wood Johnson Foundation, and the Communities Foundation of Texas, among others.

Dr. Amarasingham received his Bachelor of Science degree from Brown University, his MD from the University of Texas Southwestern (UTSW) medical center, and his MBA from the Johns Hopkins Carey Business School. He completed post-doctoral training in medical informatics, and operations and health services research as a Robert Wood Johnson Clinical Scholar at the Johns Hopkins Medical Institutions.

  • Ivaylo Vasilev
    Ivaylo Vasilev
    Sr Project Manager
Ivaylo Vasilev
Sr Project Manager
  • Ying Ma
    Ying Ma
    Data Scientist
Ying Ma
Data Scientist
  • Asohan Amarasingham
    Asohan Amarasingham
    Principal Mathematician
Asohan Amarasingham
Principal Mathematician

Han provides mathematical expertise to our analytics practice. He is an Associate Professor of Mathematics, with concurrent appointments in Computer Science, Biology, and Psychology, at the City University of New York  (City College of New York and The Graduate Center). He has done extensive work in the mathematical and statistical foundations of emerging branches of the neural and cognitive sciences, among other contributions including publications in Science, PNAS, and Nature research journals. He received a Bachelors in Mathematics & Cognitive Science from the University of Virginia, and both an MS in Cognitive & Linguistic Sciences and Ph.D. in Applied Mathematics from Brown University.

  • Alphie Rodriguez
    Alphie Rodriguez
    Client Engagement Manager
Alphie Rodriguez
Client Engagement Manager
  • Kyle Morris
    Kyle Morris
    Software Architect
Kyle Morris
Software Architect
  • Paul Croft
    Paul Croft
    Chief Financial Officer
Paul Croft
Chief Financial Officer

Paul Croft is responsible for managing the finance and accounting functions at Pieces Tech, including financial reporting, contract negotiation, billing, collection, payroll, and budgeting as well as supporting the organization’s financial analysis and reporting needs. Most recently he served as CFO at Drip Drop. His financial experience also includes work for Deutsche Bank in London and Tokyo in the Global Markets division.

Paul earned his MA (Cantab.) in mathematics from Cambridge University.  When he’s not crunching numbers, he enjoys spending time with his family and avidly following the 49ers.

  • James Ray
    James Ray
    VP & Senior Legal Counsel
James Ray
VP & Senior Legal Counsel

James oversees all legal and compliance matters for Pieces Tech’s operations. James is the primary legal representative for Pieces Tech and his responsibilities include handling the company’s commercial contracts and technology and privacy matters.  James fearlessly—and regularly— toes the line in consecutive hours worked and is a pioneer in the research of late-night food delivery options in the greater Dallas area.

Prior to joining Pieces Tech, James served as the Senior Division Counsel for Frito-Lay and PepsiCo’s IT Shared Services Division. He has a JD from Harvard Law School and BS in Electrical Engineering from University of Texas.

  • Paul Ceverha
    Paul Ceverha
    Senior Sales and Account Executive
Paul Ceverha
Senior Sales and Account Executive

Paul Ceverha leads Client Services at Pieces Tech. As a former leader of healthcare provider IT strategy at PwC, Paul has sold and delivered dozens of projects that have spanned population health, secondary use of clinical data, informatics strategy, creation of clinical data repositories, IT effectiveness, and cross-sector partnerships.

He has a BA and MA from the University of Texas, is a Dallas native, and likes water— especially in liquid form bordered by a beach, or in crystalline ice form upon which you can ski.

  • Anand Shah, MD
    Anand Shah, MD
    EVP & Chief Clinical Officer
Anand Shah, MD
EVP & Chief Clinical Officer

Anand oversees our clinical activities and data analytics teams.  Anand is responsible for driving engagement, collaboration and innovation throughout our partner-focused approach. In addition to practicing emergency medicine at Parkland Health and Hospital System, he is an expert identifying and developing key decision support modules, products, and clinical workflows. His dedication to operational excellence, team growth and client satisfaction sets the tone for our data science and clinical teams.

He has a BS from Emory, MD from Medical College of Wisconsin, did his residency and Chief Residency in Emergency Medicine at Brown, and was a Robert Wood Johnson Foundation Scholar at Penn

  • Slava Gomzin
    Slava Gomzin
    VP of Information Security & Technology
Slava Gomzin
VP of Information Security & Technology

Slava Gomzin is information security enthusiast and full-stack technologist. He is the author of multiple publications on information security including books Hacking Point of Sale (Wiley, 2014)  and the just-published Bitcoin for Non-Mathmeticians (Universal Publishers, 2016).

Prior to Pieces Tech, he was Director of Information Security at Parkland Center for Clinical Innovation (PCCI) as well as a Security and Payments Technologist at Hewlett-Packard, where he helped create products that are integrated into modern payment processing ecosystems using the latest security technologies. He has worked in various information security and software development positions at Retalix, a Division of NCR Retail.

Slava currently holds CISSP and other security certifications. He blogs about information security and technology at www.gomzin.com.

  • Cassandra Christopher
    Cassandra Christopher
    Sr Manager of Human Resources
Cassandra Christopher
Sr Manager of Human Resources
  • Jarred Mayrosh
    Jarred Mayrosh
    EVP & Chief Operating Officer
Jarred Mayrosh
EVP & Chief Operating Officer

As Chief Operating Officer, Jarred oversees and aligns all business operations including human resources, talent acquisitions, legal, information security, and strategic and investment initiatives. He has guided Pieces Tech through critical stages of growth and expanded capabilities.

Prior to Pieces Tech, Jarred was both the CFO and CAO at PCCI. He has led investment teams as a managing director at ORIX USA and advised companies as an investment banker at Lehman Brothers.  Jarred received his BA and MBA from the University of Chicago, is active in the Dallas Regional Chamber of Commerce and currently serves on the Board of Directors for the ORIX Foundation. He enjoys spending time with his wife and four kids.

  • Brett Grob
    Brett Grob
    VP of Client Services
Brett Grob
VP of Client Services

Brett Grob is the VP of Business Development at Pieces Tech where he oversees the company’s strategic partnering efforts, investor relations and is key to the company’s growth. Prior to joining Pieces Tech, Brett was the Director of Corporate Development at ORIX Americas overseeing M&A, principal investments and strategy.

A quasi-star soccer player, Brett received his BA from Northwestern University, graduating with a comprehensive collection of live Phish shows on VHS.

  • Susana Margraf
    Susana Margraf
    Office Manager & Executive Assistant
Susana Margraf
Office Manager & Executive Assistant
  • Rahav Dor
    Rahav Dor
    EVP & Chief Technology Officer
Rahav Dor
EVP & Chief Technology Officer

Rahav oversees our technical strategy and is dedicated to building a team of world-class engineers to keep Pieces Tech at the forefront of the industry.

He is a former strategic advisor to Global Velocity and former CIO of Corporate Express. He is has a double MS and is a PhD candidate at Washington University with a research concentration in Wireless Health & Internet of things.

  • Ruben Amarasingham, MD, MBA
    Ruben Amarasingham, MD, MBA
    President and CEO
Ruben Amarasingham, MD, MBA
President and CEO

Ruben Amarasingham, MD, MBA, is founder and CEO of Pieces Technologies, and inventor of the Pieces™ software platform. The driving force behind our organization: he is an expert in the development and evaluation of health information technology, the application of predictive modeling in healthcare, and the use of innovative care models to improve quality, lower costs, and connect communities. Dr. Amarasingham has received scientific grant awards in these areas from the NIH, NSF, AHRQ, Commonwealth Fund, Robert Wood Johnson Foundation, and the Communities Foundation of Texas, among others.

Dr. Amarasingham received his Bachelor of Science degree from Brown University, his MD from the University of Texas Southwestern (UTSW) medical center, and his MBA from the Johns Hopkins Carey Business School. He completed post-doctoral training in medical informatics, and operations and health services research as a Robert Wood Johnson Clinical Scholar at the Johns Hopkins Medical Institutions.

  • Paul Ceverha
    Paul Ceverha
    Senior Sales and Account Executive
Paul Ceverha
Senior Sales and Account Executive

Paul Ceverha leads Client Services at Pieces Tech. As a former leader of healthcare provider IT strategy at PwC, Paul has sold and delivered dozens of projects that have spanned population health, secondary use of clinical data, informatics strategy, creation of clinical data repositories, IT effectiveness, and cross-sector partnerships.

He has a BA and MA from the University of Texas, is a Dallas native, and likes water— especially in liquid form bordered by a beach, or in crystalline ice form upon which you can ski.

  • Jarred Mayrosh
    Jarred Mayrosh
    EVP & Chief Operating Officer
Jarred Mayrosh
EVP & Chief Operating Officer

As Chief Operating Officer, Jarred oversees and aligns all business operations including human resources, talent acquisitions, legal, information security, and strategic and investment initiatives. He has guided Pieces Tech through critical stages of growth and expanded capabilities.

Prior to Pieces Tech, Jarred was both the CFO and CAO at PCCI. He has led investment teams as a managing director at ORIX USA and advised companies as an investment banker at Lehman Brothers.  Jarred received his BA and MBA from the University of Chicago, is active in the Dallas Regional Chamber of Commerce and currently serves on the Board of Directors for the ORIX Foundation. He enjoys spending time with his wife and four kids.

  • Ivaylo Vasilev
    Ivaylo Vasilev
    Sr Project Manager
Ivaylo Vasilev
Sr Project Manager
  • Kyle Morris
    Kyle Morris
    Software Architect
Kyle Morris
Software Architect
  • Anand Shah, MD
    Anand Shah, MD
    EVP & Chief Clinical Officer
Anand Shah, MD
EVP & Chief Clinical Officer

Anand oversees our clinical activities and data analytics teams.  Anand is responsible for driving engagement, collaboration and innovation throughout our partner-focused approach. In addition to practicing emergency medicine at Parkland Health and Hospital System, he is an expert identifying and developing key decision support modules, products, and clinical workflows. His dedication to operational excellence, team growth and client satisfaction sets the tone for our data science and clinical teams.

He has a BS from Emory, MD from Medical College of Wisconsin, did his residency and Chief Residency in Emergency Medicine at Brown, and was a Robert Wood Johnson Foundation Scholar at Penn

  • Brett Grob
    Brett Grob
    VP of Client Services
Brett Grob
VP of Client Services

Brett Grob is the VP of Business Development at Pieces Tech where he oversees the company’s strategic partnering efforts, investor relations and is key to the company’s growth. Prior to joining Pieces Tech, Brett was the Director of Corporate Development at ORIX Americas overseeing M&A, principal investments and strategy.

A quasi-star soccer player, Brett received his BA from Northwestern University, graduating with a comprehensive collection of live Phish shows on VHS.

  • Ying Ma
    Ying Ma
    Data Scientist
Ying Ma
Data Scientist
  • Paul Croft
    Paul Croft
    Chief Financial Officer
Paul Croft
Chief Financial Officer

Paul Croft is responsible for managing the finance and accounting functions at Pieces Tech, including financial reporting, contract negotiation, billing, collection, payroll, and budgeting as well as supporting the organization’s financial analysis and reporting needs. Most recently he served as CFO at Drip Drop. His financial experience also includes work for Deutsche Bank in London and Tokyo in the Global Markets division.

Paul earned his MA (Cantab.) in mathematics from Cambridge University.  When he’s not crunching numbers, he enjoys spending time with his family and avidly following the 49ers.

  • Slava Gomzin
    Slava Gomzin
    VP of Information Security & Technology
Slava Gomzin
VP of Information Security & Technology

Slava Gomzin is information security enthusiast and full-stack technologist. He is the author of multiple publications on information security including books Hacking Point of Sale (Wiley, 2014)  and the just-published Bitcoin for Non-Mathmeticians (Universal Publishers, 2016).

Prior to Pieces Tech, he was Director of Information Security at Parkland Center for Clinical Innovation (PCCI) as well as a Security and Payments Technologist at Hewlett-Packard, where he helped create products that are integrated into modern payment processing ecosystems using the latest security technologies. He has worked in various information security and software development positions at Retalix, a Division of NCR Retail.

Slava currently holds CISSP and other security certifications. He blogs about information security and technology at www.gomzin.com.

  • Nora Iluri
    Nora Iluri
    Sr VP of Product
Nora Iluri
Sr VP of Product

As Senior Vice President of Product, Nora fearlessly directs Pieces Tech’s ever evolving suite of products. She manages a cross functional– and sometimes trans-global product development team– working in concert with engineering, security, sales and marketing to produce thoughtful technology solutions across the continuum of care.

A healthcare veteran, lifelong entrepreneur and former Product Manager at Google, Nora has founded two healthcare & medical device companies and has advised  several other bio-medical and healthcare IT companies on all facets of the business. Prior to her time at Pieces Tech and Google, Nora spent several years in Mckinsey & Company’s healthcare practice where she  led and was part of several large valuation and due diligence efforts for pharma, medical device, diagnostic and private equity clients.

 

  • Asohan Amarasingham
    Asohan Amarasingham
    Principal Mathematician
Asohan Amarasingham
Principal Mathematician

Han provides mathematical expertise to our analytics practice. He is an Associate Professor of Mathematics, with concurrent appointments in Computer Science, Biology, and Psychology, at the City University of New York  (City College of New York and The Graduate Center). He has done extensive work in the mathematical and statistical foundations of emerging branches of the neural and cognitive sciences, among other contributions including publications in Science, PNAS, and Nature research journals. He received a Bachelors in Mathematics & Cognitive Science from the University of Virginia, and both an MS in Cognitive & Linguistic Sciences and Ph.D. in Applied Mathematics from Brown University.

  • James Ray
    James Ray
    VP & Senior Legal Counsel
James Ray
VP & Senior Legal Counsel

James oversees all legal and compliance matters for Pieces Tech’s operations. James is the primary legal representative for Pieces Tech and his responsibilities include handling the company’s commercial contracts and technology and privacy matters.  James fearlessly—and regularly— toes the line in consecutive hours worked and is a pioneer in the research of late-night food delivery options in the greater Dallas area.

Prior to joining Pieces Tech, James served as the Senior Division Counsel for Frito-Lay and PepsiCo’s IT Shared Services Division. He has a JD from Harvard Law School and BS in Electrical Engineering from University of Texas.

  • Rahav Dor
    Rahav Dor
    EVP & Chief Technology Officer
Rahav Dor
EVP & Chief Technology Officer

Rahav oversees our technical strategy and is dedicated to building a team of world-class engineers to keep Pieces Tech at the forefront of the industry.

He is a former strategic advisor to Global Velocity and former CIO of Corporate Express. He is has a double MS and is a PhD candidate at Washington University with a research concentration in Wireless Health & Internet of things.

Some of our ingredients

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