Meet the LeanTaaS leadership team

Our leadership team has a unique mix of consulting, technology, operations, and healthcare experience across entrepreneurial start-ups and Fortune 500 companies. They’re proven leaders who are deeply committed to our mission of helping healthcare providers increase patient access, decrease wait times, and reduce healthcare delivery costs.

When they’re not traveling the country visiting customers, you can find them hosting town halls, sketching on any available whiteboard, and sharing team pictures on Slack.

Leadership team

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Mohan Giridharadas
FOUNDER AND CEO
Mohan started LeanTaaS in 2010 after an 18 year career at McKinsey & Co. where he led the Firm's lean manufacturing and service operations practices in North America as well as the Asia-Pacific region.
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Ana Sirbu
CHIEF FINANCIAL OFFICER
Ana has over 15 years of experience in finance, strategy, and technology-investing leadership roles. Most recently, she served as Chief Financial Officer at Nitro Software, and at BlueVine.
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Tim Vasil
CHIEF TECHNOLOGY OFFICER
Tim has two decades of experience in technical and product leadership roles at healthcare and software companies. Prior to joining LeanTaaS, he was Co-founder, CTO, and EVP of Technology & Implementation at Hospital IQ.
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Rami Karjian
Senior Vice President, Client Services - OPERATING ROOMS
Rami is the head of the Operating Rooms business. He has a history of building, strengthening, and scaling innovative businesses, with decades of experience in healthcare transformation and a knack for solving complex capacity problems. 
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Jason Harber
SENIOR VICE PRESIDENT, CLIENT SERVICES - INPATIENT FLOW
Jason brings over 20 years of experience in healthcare technology, data and analytics, and product management. Prior to joining LeanTaaS, Jason was the Chief Operating Officer & Chief Strategy Officer at Hospital IQ.
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Ashley Joseph
SENIOR VICE PRESIDENT, CLIENT SERVICES - INFUSION CENTERS
Ashley has over 20 years of service operations experience and leads a nationwide team of experts who improve capacity optimization at infusion centers across the US.
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Niloy Sanyal
CHIEF MARKETING OFFICER
Niloy has 20+ years of experience in marketing and strategy. Before LeanTaaS, Niloy was CMO at Omnicell and GE Digital.
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Ashley Walsh, MHA
Chief Revenue Officer
Ashley leads a nationwide team responsible for product sales and customer implementations for iQueue for Operating Rooms and iQueue for Inpatient Flow. Before LeanTaaS, Ashley was in perioperative administration within UCHealth.
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Dr. Hugh Cassidy
CHIEF DATA SCIENTIST
Hugh has built practical mathematical solutions for enterprises, including staffing optimization for table games at Las Vegas casinos, an award winning staffing tool for large health systems, and a patented machine learning approach to data deduplication.
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Zetong Li
VICE PRESIDENT, PRODUCT MANAGEMENT - OPERATING ROOMS
Zetong leads Product Management for LeanTaaS' iQueue for Operating Rooms platform, deployed across over 5,000 ORs and 90 health systems.
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Lloyd Martin
CHIEF ADMINISTRATIVE AND RISK OFFICER
Lloyd has over 25 years of experience in finance and operations. Before LeanTaaS, Lloyd was Corporate Controller at Google and VP and Controller at Trulia.
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Kris Franco
HEAD OF PEOPLE
Kris has over 25 years of Human Resources experience as a Generalist, Business Partner, and People Leader.
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Alyssa Arrese, MHA
SENIOR DIRECTOR, CLIENT SERVICES - OPERATING ROOMS
Alyssa leads a nationwide team that successfully deploys iQueue for Operating Rooms to improve perioperative efficiency. Before LeanTaaS, Alyssa was in perioperative administration within OhioHealth.
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Obehi Ukpebor
DIRECTOR, PRODUCT MANAGEMENT - INFUSION CENTERS
Obehi leads product management for iQueue for Infusion Centers, delivering data science driven capacity optimization to cancer infusion centers across the US.
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Pierre Eid
DIRECTOR, COMMERCIAL OPERATIONS
Pierre leads commercial strategy & operations at LeanTaaS. He previously worked in strategy and diligence at EY Parthenon.

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