Meet the
Executive Team

Altus Partners is comprised of industry experts driven by a common goal—to transform the insurance industry.

Charlie Wilmerding

Charlie Wilmerding

President & CEO

Hank Clement

Hank Clement

Managing director

Lisa Brown

Lisa Brown

Managing Director

Jackie Rosci

Jackie Rosci


Zac Cregar, Esq.

Zac Cregar, Esq.


Charlie Wilmerding, Founder & CEO

Charlie Wilmerding is the founder and CEO of Altus Partners. Charlie started Altus in 1997 to empower clients in the insurance business by eliminating the conflict of interests in the traditional commission-centric brokerage business. Prior to founding Altus, he began his career as an underwriter in Chubb’s New Haven office before moving to Johnson & Higgins in New York and then Philadelphia.

Charlie drives firm-wide initiatives to deliver the power of objectivity to our clients, helping the OneAltus team provide unmatched service in their roles as client resources and advocates.

Charlie earned a Bachelor of Arts from Trinity College. He is currently a director of the Chanticleer Foundation and the Pennsylvania Horticultural Society. He is the former chairman of the board of trustees of Pomfret School, a former trustee of the Overbrook School for the Blind, the Montgomery School and Gladwyne Montessori School, and a former director of Rittenhouse Square Indemnity, Ltd. (Bermuda) and the Fishers Island Development Corporation. He and his wife have three grown children and live in Villanova, Pennsylvania.

Hank Clement, Managing Director

Hank Clement is a Managing Director at Altus Partners. With over 18 years of experience managing insurance and risk management programs around the world, Hank is a go-to leader for large-scale property and casualty risk management strategies.

Hank works with multi-billion dollar corporations, professional services firms, foundations and nonprofits. He’s an expert in professional liability, management liability and cyber insurance programs with diverse global experience in financial services, healthcare, higher education, and temporary staffing.

Hank is a graduate of the University of Delaware. He lives in Berwyn, Pennsylvania with his wife and three children. He is an active member of his community, a member of youth sports boards and committees, and coached fast pitch girls softball that competed at a national level.

Lisa Brown, Managing Director

Lisa Brown is a Managing Director at Altus Partners. Lisa has been with the Altus Partners Private Risk team for over 15 years. Under her leadership, Altus Partners Private Risk division has grown to over 500 clients nationally and around the world. Prior to working at Altus Partners, Lisa worked in the hospitality industry.

Lisa offers clients insightful guidance on the best options for personal insurance coverage. She believes each client is unique and all-important to Altus Private Risk, and she stays well informed on insurance trends to ensure she’s able to address every client’s needs with a customized approach.

Lisa holds a Bachelor of Arts in Education and History from Principia College. She completed the Certified Advisor of Personal Insurance program through the Wharton School of Business at the University of Pennsylvania. 

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Jackie Rosci, Controller

Jackie Rosci is Altus Partners’ Controller. Jackie has been a part of the Altus Partners team since 2004, first in the role of Account Executive before moving to Controller in 2014.

Today, Jackie oversees the financial management of Altus Partners while working with the CEO and management team to implement key company initiatives and translate vision into concrete business actions. She also manages HR-related matters and works closely with information technology and administrative functions.

She graduated from Loyola University with a Bachelor of Science in Psychology. She lives with her husband and three children in Newtown Square, Pennsylvania.

Zac Cregar, Esq., General Counsel and Managing Director of Claims

Zac Cregar is General Counsel and Managing Director of Claims at Altus Partners. He joined the Altus Partners team in 2016 after serving as a senior litigation consultant at Liberty Mutual Insurance Company. Prior to Liberty Mutual, Zac was an attorney at Reilly, Janiczek & McDevitt, P.C., and a legislative aide for a non-profit medical association in Washington, DC.

Zac and his claims advocacy team oversee thousands of domestic and international claims each year on behalf of our clients. In his role as General Counsel, he is responsible for overseeing Altus’ legal affairs including litigation, intellectual property and corporate matters.

Zac holds a Bachelor of Arts from Gettysburg College and Juris Doctor from Duquesne University School of Law. He is a member of the Claims and Litigation Management Alliance (CLM), Association of Corporate Counsel (ACC) and volunteers on ACC’s Corporate Pro Bono Small Business Legal Clinic. Zac is also a Certified Fraud Examiner, and has authored articles on fraud, bribery and anti-corruption.

One-size-fits-all insurance never works. That’s why we provide customized solutions to each and every client.