Key Staff

Our Senior leadership team has broad industry experience in pharmaceutical, healthcare, finance, insurance, and information technology and they know how to execute.


Winnie Casaletto Partner

Winnie Casaletto, Partner

"A good head and a good heart are a formidable combination" (Nelson Mandela). As true in business as in the rest of life.

Winnie Casaletto is a founding partner of ArborSys. She has worked for over 20 years in business development within the IT services industry. Her focus is developing strong customer relationships that can benefit from ArborSys' services. The focus is to be able to deliver to current customers and grow from referral business. Prior to ArborSys, Winnie was Director of Marketing at ACI and VP of Sales at Fujitsu Consulting. She holds a BS degree from Boston College.




Vasu Ranganathan Partner

Vasu Ranganathan, Partner

“I've learned that you shouldn't go through life with a catcher's mitt on both hands; you need to be able to throw something back” (Maya Angelou). Of course, not all of us are expert players, but you don’t need to be an expert to enjoy the game – and being able to throw something back enriches the experience.

Vasu Ranganathan is a founding partner of ArborSys. She has over 25 years of experience in leading business and technology programs in commercial and government sectors. Over the past 15 years, she has held leadership positions in global, mid-size, and small consulting organizations supporting Life Sciences, Financial, Publishing, and Insurance sectors. As a partner at ArborSys, she works with the senior team to develop the ArborSys business model and lead delivery in business and technology strategic implementations for clients seeking to improve their performance.


Shailesh Shah Electronic Content Management Practice Director

Becky Bongiovi, Practice Director Knowledge Management

The “art of what’s possible”, “it’s all doable”, “anything is possible” and “let’s get it done” are just a few of my favorite phrases that I put into action on a regular basis. We each have the power to change things and have a positive impact on the world.

Becky Bongiovi has over 25 years of experience in leading and transforming organizations in the pharmaceutical and financial industries. Becky works with C-level leaders on downward, and across the enterprise to develop and implement solutions to a company’s most complex problems. With a particular focus on empowering the knowledge worker, Becky applies tools and methodologies to identify, capture, evaluate, retrieve and share information assets across the enterprise. Becky holds a bachelor’s degree from Rider University and is a Six Sigma Black Belt. She is also a member of the Scrum Alliance holding certification as a Certified Scrum Master.


Shailesh Shah Electronic Content Management Practice Director

Michael J Brennan, PhD, Practice Director Regulatory Compliance

Dr. Michael Brennan joined the Arborsys Group in January 2015 as Director Regulatory Compliance. Prior to joining Arborsys, Michael was at Centocor/Janssen R&D for over 11 years with leadership roles in Global Regulatory Affairs Operations and Information Technology. This followed over 17 years with GlaxoSmithKline in Regulatory Affairs and Clinical Operations.

Michael has over 30 years of experience within the pharmaceutical industry. He received his PhD in Experimental Psychology from the State University of New York at Binghamton and did post-doctoral research and was a faculty member in the Department of Neurology, New York University School of Medicine.

As a member of the PhRMA electronic submission working group, Michael participated with PhRMA colleagues and FDA in developing and implementing regulatory electronic submission standards. Michael serves on the steering committee of the FDA/PhUSE Computational Science Symposium. Michael's current area of focus are structured content authoring, structured content management, and data standards.


Shailesh Shah Electronic Content Management Practice Director

Angela Horowitz, Practice Director Structured Content Management

Angela has over 13 years of experience in the biotech and pharmaceutical industry as a medical writer and business analyst. She has an excellent understanding of the clinical development lifecycle from study planning through post-marketing. Angela has worked on various projects ranging from regulatory submissions to business and IT process improvement initiatives. More recently, she has become actively engaged in the structured content management (SCM) domain, helping clients define their SCM strategy and roadmap, develop their information architecture, evaluate SCM vendors, and run a proof-of-concept or full implementation of the selected SCM tool. “Don’t boil the ocean” has become one of her favorite sayings. In the world of SCM, you need to strategically boil water one bucket at a time in order to reach your goal.

Prior to joining ArborSys, Angela worked at Genzyme Corporation and Sanofi. She holds a BA in English and Biology from Colgate University, and an MPH from Nova Southeastern University.


Shailesh Shah Electronic Content Management Practice Director

Shailesh Shah, Practice Director Electronic Content and Business Process Management

In a fast-paced, politically charged environment with tight schedules and shrinking budgets, knowing technology isn’t enough. You need a partner with deep domain expertise, application of best practices, and a team willing and capable to take ownership to meet deadlines. I tell my clients we need to stay out of Mo Town, where everyone wants Mo time, Mo people, and Mo money.

Shailesh has 20 years of experience in the software development industry as a developer, technical lead, technical project manager, and solution architect. He has a wealth of knowledge in highly regulated industries like pharmaceuticals and life sciences. He has extensive experience in working for global clients while managing onshore, offshore and/or blended teams. Shailesh holds a BS in Computer Science from MS University (India) and an MS in Information Systems from New Jersey Institute of Technology.


Curtis Wegfahrt, Director, Talent Acquisition and Human Resources

Curtis Wegfahrt, Director, Talent Acquisition and Human Resources

“The test of the artist does not lie in the will with which he goes to work, but in the excellence of the work he produces” (Thomas Aquinas). A firm believer that any company and/or process is only as good as the people who work within them, Curtis has focused his career on improving organizations through the hiring of people who produce excellence. He believes in creating and managing talent acquisition programs tailored to the company’s needs and to individual career professional’s best interests. Curtis Wegfahrt’s background includes more than twenty years of Talent Acquisition and Management experience within different Information Technology groups and industries such as Pharmaceutical, Healthcare, Department of Defense, Insurance, Telecommunications/Wireless, Financial, and more. Additionally he has managed talent acquisition teams for more than 12 years. Curtis is committed to building the best and brightest teams through hiring those who tirelessly strive for excellence.


Curtis Wegfahrt, Director, Talent Acquisition and Human Resources

Andrea Harper, Comptroller and Office Manager

Andrea Harper joined Arborsys Group in February 2016 as the Comptroller/Office Manager. Andrea’s vast experience and accomplishments include all aspects of a corporation’s financial needs including: budgeting, cost controls, accounting principles and practices, internal financial management reporting, and maintaining GAAP compliance. Andrea’s experience also includes overall general office management, Human Resource functions, contract/agreement maintenance and administration, business insurances and the overall internal corporate controls and operations of the company. She also served as a Treasurer for a non-profit user group organization with her previous company and organized and managed the yearly meetings which involved over 100 attendees. Andrea earned her Bachelor’s degree in 1996 from Green Mountain College in Vermont.