Names & Faces

Seth Timen Named Co-Head Of The Loomis Sayles Disciplined Alpha Team

Alongside Lynne Royer, the team manages more than $16.3 billion across the disciplined alpha platform as of December 31, 2020

BOSTON–(BUSINESS WIRE)–Loomis, Sayles & Company, an affiliate of Natixis Investment Managers, announced today that Seth Timen was promoted to co-head of the Loomis Sayles Disciplined Alpha team along side Lynne Royer, effective January 1, 2021. Seth reports to David Waldman, deputy chief investment officer of Loomis Sayles.

The Loomis Sayles Disciplined Alpha team currently manages $16.3 billion across a suite of disciplined alpha products. The team believes they can produce alpha consistently by understanding where bonds should trade at any given time and making good judgments within a structured process every day. Their $8.0 billion flagship Core Disciplined Alpha strategy, which launched in 2010, has delivered its investors a return of 4.52% gross (4.33% net) since inception on September 1, 2010, versus the 3.59 % return of the Bloomberg Barclays US Aggregate Index (through December 31, 2020).

Integrated real-time risk management helps support the entire process from security selection to sector, curve, and duration positioning. The team also manages the Loomis Sayles Corporate Disciplined Alpha, Long Corporate Disciplined Alpha, Long Credit Disciplined Alpha and Intermediate Core Disciplined Alpha strategies.

Past & Present

In his new role, Seth will partner with team co-founder Lynne Royer on portfolio holdings and team management, as well as marketing and client service efforts. He will also retain some trading and portfolio construction responsibilities. Seth joined Loomis Sayles as a credit trader in 2010 from Pequot Capital Management. He was promoted to senior credit trader in 2014 and credit portfolio manager in 2016. Previously, Seth was an associate at Credit Suisse, where he assisted with corporate bond investment and strategy execution for institutional clients. He earned a BA from the University of Michigan.

Seth has made significant contributions to the disciplined alpha platform over the past 10 years in alpha generation and pursuing excellence for our clients in all aspects of our business...

“Seth has made significant contributions to the disciplined alpha platform over the past 10 years in alpha generation and pursuing excellence for our clients in all aspects of our business,” said Lynne Royer, portfolio manager and co-head of the Disciplined Alpha team. “Seth has demonstrated strong leadership and investment acumen over the past decade with the team and I’m happy to strengthen our partnership with his promotion to co-head of the team. I am confident that his contributions will continue to be critical in our continued growth and success.”




Since 1926, Loomis, Sayles & Company has helped fulfill the investment needs of institutional and mutual fund clients worldwide. The firm’s performance-driven investors integrate deep proprietary research and integrated risk analysis to make informed, judicious decisions. Teams of portfolio managers, strategists, research analysts and traders collaborate to assess market sectors and identify investment opportunities wherever they may lie, within traditional asset classes or among a range of alternative investments. Loomis Sayles has the resources, foresight and the flexibility to look far and wide for value in broad and narrow markets in its commitment to deliver attractive sustainable returns for clients. This rich tradition has earned Loomis Sayles the trust and respect of clients worldwide, for whom it manages $347.8 billion * in assets (as of December 31, 2020).
*Includes the assets of Loomis, Sayles & Co., LP, and Loomis Sayles Trust Company, LLC. Loomis Sayles Trust Company is a wholly owned subsidiary of Loomis, Sayles & Company, LP.
Natixis Investment Managers serves financial professionals with more insightful ways to construct portfolios. Powered by the expertise of more than 20 specialized investment managers globally, we apply Active Thinking® to deliver proactive solutions that help clients pursue better outcomes in all markets. Natixis Investment Managers ranks among the world’s largest asset management firms with nearly $1.1 trillion assets under management (€910.0 billion).