Clear Path Analysis
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Aaron Diefenthaler


Chief Investment Officer, RLI Company

Aaron Diefenthaler is Chief Investment Officer & Treasurer of RLI Corp. and its subsidiaries. RLI Corp. (NYSE: RLI) is a specialty insurer serving niche property, casualty and surety markets. The company provides deep underwriting expertise and superior service to commercial and personal lines customers nationwide. RLI’s products are offered through its insurance subsidiaries RLI Insurance Company, Mt. Hawley Insurance Company and Contractors Bonding and Insurance Company. Aaron joined RLI in 2012 as Vice President, Chief Investment Officer and was promoted to Chief Investment Officer & Treasurer in 2014. Apart from his investment responsibilities, Aaron serves on RLI’s risk and strategy committees, and leads the company’s investor relations and corporate development efforts. Prior to joining RLI, he was Principal and Portfolio Manager for Asset Allocation and Management LLC (AAM).He has 25 years of investment and operations experience. Aaron is a member of the Maui Jim Inc. Board of Directors and also volunteers on the board of JDRF–Illinois Chapter and Children’s HomeAssociation of Illinois. A graduate of Indiana University–Kelley School of Business, Aaron has an MBA in finance from DePaul University–Charles H. Kellstadt Graduate School of Business. He completed the Chicago Management Institute Executive Education Program at the University of Chicago Booth School of Business. Aaron holds the Chartered Financial Analyst® designation and is a member of the CFA Society of Chicago.

Brian Butchko


Head of Global Portfolio Management, RGARE

Senior Vice President, Head of Global Portfolio Management, Investments, for RGA
Reinsurance Company. In this role, he oversees the management of all RGA’s
investment portfolios and RGA’s team of portfolio managers and analysts. He also
acts as the investment management product liaison with RGA’s product development
groups, devising strategies and identifying assets to fund both new and existing
product liabilities. He is also responsible for identifying underutilized assets and
asset classes to drive the creation of new products and enhance the performance of
existing products.

Jan Furrer


Head of Investments, Zurich North America

As Head of Investments for Life and Legacy Balance Sheets at Zurich North America, Jan oversees investment strategies focusing on asset-liability management, strategic asset allocation and portfolio construction. His journey began at Zurich Group Investment Management in 2011 covering various roles along the investment value chain. 

Jan's global experience includes a tenure in Sydney and a consultancy role at PwC in London. Joining Zurich's New York investment office in 2019, he holds a master's in Banking and Finance from the University of Zurich and is a CFA® Charterholder. Jan also volunteers as President of the Swiss Society of New York.

John Bradley


VP of Investments, F&G Insurance

John Bradley currently serves as Vice President of Investments for the PRT business and Chief Investment Officer of the Bermuda and Cayman Reinsurance entities for F&G.  With over 30 years of experience, John has spent much of his career at Prudential in asset & liability management focused on a diverse set of insurance liabilities including Pension Risk Transfer, Term, and Indexed Universal.  John co-developed the pricing structure for the two largest US pension transactions – GM & Verizon.  John earned his B.A. in Economics from Rutgers University and his MBA from Columbia University.  He is a CFA Charterholder.

Mike Huff


Managing Director, Head of Asset Allocation and Derivatives, TIAA

Mike is the Head of Asset Allocation and Derivatives for TIAA’s $300 billion General Account investment portfolio. He leads TIAA’s asset allocation process and manages the portfolio’s annual investment program.  He is responsible for derivatives and hedging programs, currency risk management, investment strategies to manage ALM, and portfolio liquidity. Mike also manages TIAA’s spread lending programs.

Before joining TIAA, Mike was an Investment Risk Manager at Genworth Financial where he was responsible for ALM, derivatives risk oversight and counterparty credit risk. At Genworth, Mike was also a Senior Derivative Trader responsible for developing hedging strategies and derivative execution. Prior to Genworth, Mike worked for Principal Financial Group where he managed a portfolio of structured products and derivatives.

Mike holds a BS in industrial engineering from University of Michigan and an MBA in finance from University of Illinois. He is a CFA Charterholder and a Professional Risk Manager (PRM).

Milla Tonkonogy


Chief Investment Officer, AIG Americas, AIG

Milla Tonkonogy is the Chief Investment Officer for General Insurance North America at AIG, a
global  multinational insurance corporation. Milla joined AIG in 2014 and is responsible for allocation
strategies and manager oversight for ~$60B of fixed income, alternative and equity investments for
the AIG Property and Casualty insurance companies located in the US, Bermuda and Canada. Milla is
an officer and the Deputy CIO of several GI US insurance companies and sits on several investment
committees at AIG.
Prior to joining AIG, Milla was responsible for global asset strategies and manager oversight for a
~$6B portfolio of fixed income investments for American Express and was part of the core team
responsible for developing the Federal Reserve macroeconomic stress testing program for the
investment portfolio.
Milla began her career in consulting and holds a BA in Economics from The Johns Hopkins University
and an MBA from Carnegie Mellon.

Nico Santini


SVP, Chief Investment Officer, Coaction Specialty Insurance

Nico is the Chief Investment Officer of CoAction Specialty Insurance, a specialty commercial insurance company out of Morristown New Jersey. Beginning in 2019, he implemented a multi-year buildout of the investment area by incorporating a full-stack investment accounting reporting system, a risk management process, and new strategic and tactical investment processes. Additionally, he oversees all aspects of the investment policy, asset allocation, portfolio and risk management, and investment accounting functions which are fully integrated within the company’s growth and capital decision-making processes.

Ramzi Bibi


Head of Treasury & Investment, Arabia Insurance Company

As a seasoned investment and treasury management expert with nearly 20 years of
experience, I excel in capital markets, risk analysis, and leading high-performance
teams. My expertise focuses on developing strategies that consistently surpass
industry benchmarks, ensuring superior returns. Skilled in establishing strong risk
management frameworks and portfolio diversification, I collaborate effectively with
investment committees and boards. Leveraging my skills to identify market trends
and seize profitable opportunities, my track record highlights my ability to drive
profitable growth and deliver outstanding results in investment management.