Jonathan Birtwell

Jonathan Birtwell

Portfolio Manager-Fixed Income at
Gateway Investment Advisers LLC
Finance
Consumer Services

Profile

Mr. Jonathan Birtwell, CFA MBA, is a Portfolio Manager at Gateway Investment Advisers LLC.
He has joined Gateway effective January 26, 2026, bringing extensive experience in macro-driven portfolio construction, risk management and index-options implementation.
Mr. Birtwell joined Gateway from Agile Investment Management, where he served as Portfolio Manager and Partner responsible for asset allocation, risk management frameworks, and execution strategies.
He previously led portfolio construction and trading functions at PanAgora Asset Management and held portfolio management roles at Natixis Asset Management (now Ostrum Asset Management) and Rafferty Asset Management.
He holds an MBA from The Fletcher School at Tufts University, a B.S.
from Nichols College, and is a CFA® charterholder.

Jonathan Birtwell active positions

CompaniesPositionStart
Portfolio Manager-Fixed Income 2026-01-25

Former positions of Jonathan Birtwell

CompaniesPositionEnd
MANULIFE FINANCIAL CORPORATION Corporate Officer/Principal 2009-04-29
Portfolio Manager-Equities -
Trading-Equity -
Portfolio Manager-Equities -
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Consumer Services

Consumer Services

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