About Us

Our Story

ACS provides insurance & investment accounting operations, tresury operations, actuarial valuation, and reporting expertise and technical leadership

Our Vision: Helping organizations to be best-in-class as they maximize operational efficiencies and comply with changing Statutory and GAAP reporting, tresury, and valuation requirements 

Our Mission –We provide leadership, subject matter expertise, and identify operational efficiency opportunities, in a cost-effective manner

Ken Langevin, Partner

Mr. Langevin is a CPA and finance and accounting executive, based in Western Massachusetts.  A highly respected leader, he has strategic and hands on expertise with GAAP and Statutory reporting requirements, compliance, new accounting and system implementations, operational efficiency, internal control reporting, mergers and acquisitions. Prior to joining ACS, Mr. Langevin served as business unit controller and interim corporate controller as well as in senior leadership roles in the Controller Organization at MassMutual for over 25 years and in Financial Services at PwC for 8 years. 

Derek Darley, Managing Director

Mr Darley is a registered CPA in Connecticut and is based in Western Massachusetts. Mr. Darley brings to market deep treasury and accounting expertise across a variety of complex  capital and liquidity management, risk management, corporate governance, financing and compliance areas.  Prior to joining ACS, Mr. Darley served as Assistant Treasurer at MassMutual where during his 35-year career, he held various senior leadership roles in capital markets and treasury operations.

Craig Kronlund, Actuary, FSA

Mr. Kronlund is a member of the Academy of Actuaries(1993) and fellow of the Society of Actuaries (2000) based in Western Massachusetts. Mr. Kronlund brings to market deep actuarial valuation, risk, control, and transformation expertise across life, individual annuity, and group annuity product lines.    Prior to Joining ACS, Mr. Kronlund served as a senior leader at MassMutual for over 20 years and at Chubb Life and Jefferson Pilot for 15 years.   

Robert Labun, Managing Director

Mr. Labun is a CPA and an executive finance and accounting leader, based in Western Massachusetts. His has broad and deep experience with GAAP and Statutory reporting requirements, new accounting and system implementations, operational efficiency, and internal control reporting. Prior to joining ACS, Mr. Labun served as Investment Controller, business unit financial leadership, and other senior leadership roles at MassMutual for over 20 years and in Financial Services at PWC for 12 years. 

Super Efficient

Leadership leveraging Lean and Rapid Decision making.

Deeply Commited

Ensuring customer satisfaction.

Highly Skilled

Our team brings over 100 years of combined financial experience to help our clients meet their goals.

We are driven by values

Our values include; a Team Approach, Structure, Communication, Performance, Decision making and Atmosphere.