Tess Oxenstierna Honored as Investment Banker of the Year by Global M&A Network for Her Leadership
Tess Oxenstierna, a leading figure in investment banking and Managing Director at Capstone Partners, has been honored with the esteemed title of Investment Banker of the Year by the Global M&A Network. This accolade was presented during the 16th Annual Americas M&A Atlas Awards held on February 6, 2025, in New York City. The awards recognize the contributions of influential leaders who have made significant impacts in the mergers and acquisitions space.
With over 35 years of experience in the industry, particularly within defense and government sectors, Oxenstierna is recognized for her extensive knowledge and expertise. Her tenure at Capstone has seen her guide the firm’s Aerospace, Defense, and Government Security Group, where she has played a pivotal role in high-stakes transactions in rapidly evolving markets such as Command, Control, Communications, Computers, Intelligence, Surveillance, and Reconnaissance (C4ISR) and Air, Land, Sea, and Space (ALSS) systems.
Educationally, Oxenstierna is well-equipped for her role; she holds a PhD in War Studies from King’s College London and a Master’s in Law and Diplomacy from both the Fletcher School at Tufts University and the Kennedy School of Government at Harvard University. Before her prominent position at Capstone, she held notable roles such as Global Head of Equities Strategy at Lehman Brothers and as Director of Corporate Development and Strategy at Raytheon. Her career also includes significant contributions within the U.S. government, like her service in the Reagan Administration and at NATO Headquarters, and she holds the rank of Commander in the U.S. Navy Reserve, now retired.
Oxenstierna’s influence extends beyond her current responsibilities at Capstone. She is actively involved in various leadership councils, including serving on the Board of the National Medal of Honor - Center for Leadership and the U.S. Navy League. Her insights are frequently sought after at industry conferences and events, where she shares her expertise on topics relevant to the defense sector.
This recent recognition is a continuation of her successful trajectory; she has previously been acknowledged as a Top Woman Dealmaker and has received awards for her leadership roles in major transactions, including the accolade for Industrials Deal of the Year in the mid-market category.
In her statement following the award ceremony, Oxenstierna expressed her gratitude and commitment to supporting the national security mission, stating, "As a former U.S. Navy officer and representative within the defense industry, it is an honor to contribute to a strong defense sector for our military personnel." This perspective reflects her dedication to nurturing the industry, which she believes is crucial for maintaining robust defense capabilities.
Since taking on her role as head of the Aerospace, Defense, Government Security Group at Capstone in 2024, Oxenstierna has overseen the release of critical industry reports and is planning to expand her team in 2025, further solidifying the firm’s expertise in the defense sector. One of her notable recent transactions involved leading the successful sale of Spin Systems, a company that specializes in data analytics and AI-driven intelligence visualization, to Diné Development Corporation, showcasing the increasing importance of tech modernization in defense.
John Ferrara, Founder and President of Capstone Partners, expressed pride in Oxenstierna’s achievements, emphasizing her influence in shaping the group and contributing to the firm's overall strategic objectives. This recognition not only highlights her personal success but also reflects positively on Capstone Partners, affirming its strength in the competitive field of investment banking focused on Aerospace and Defense.
The Global M&A Network, known for its extensive reach in news and information within the M&A sector, endorses Oxenstierna’s recognition as part of its ongoing mission to celebrate excellence in mergers and acquisitions. Capstone Partners has established itself over the past 20 years as a reliable advisor, offering a wide range of investment banking services designed to address the needs of middle-market companies.
As Tess Oxenstierna continues to guide Capstone Partners through a transformative period, her recognition as Investment Banker of the Year not only signifies her personal accomplishments but also highlights the role of women leaders in shaping the future of investment banking across specialized sectors.
With over 35 years of experience in the industry, particularly within defense and government sectors, Oxenstierna is recognized for her extensive knowledge and expertise. Her tenure at Capstone has seen her guide the firm’s Aerospace, Defense, and Government Security Group, where she has played a pivotal role in high-stakes transactions in rapidly evolving markets such as Command, Control, Communications, Computers, Intelligence, Surveillance, and Reconnaissance (C4ISR) and Air, Land, Sea, and Space (ALSS) systems.
Educationally, Oxenstierna is well-equipped for her role; she holds a PhD in War Studies from King’s College London and a Master’s in Law and Diplomacy from both the Fletcher School at Tufts University and the Kennedy School of Government at Harvard University. Before her prominent position at Capstone, she held notable roles such as Global Head of Equities Strategy at Lehman Brothers and as Director of Corporate Development and Strategy at Raytheon. Her career also includes significant contributions within the U.S. government, like her service in the Reagan Administration and at NATO Headquarters, and she holds the rank of Commander in the U.S. Navy Reserve, now retired.
Oxenstierna’s influence extends beyond her current responsibilities at Capstone. She is actively involved in various leadership councils, including serving on the Board of the National Medal of Honor - Center for Leadership and the U.S. Navy League. Her insights are frequently sought after at industry conferences and events, where she shares her expertise on topics relevant to the defense sector.
This recent recognition is a continuation of her successful trajectory; she has previously been acknowledged as a Top Woman Dealmaker and has received awards for her leadership roles in major transactions, including the accolade for Industrials Deal of the Year in the mid-market category.
In her statement following the award ceremony, Oxenstierna expressed her gratitude and commitment to supporting the national security mission, stating, "As a former U.S. Navy officer and representative within the defense industry, it is an honor to contribute to a strong defense sector for our military personnel." This perspective reflects her dedication to nurturing the industry, which she believes is crucial for maintaining robust defense capabilities.
Since taking on her role as head of the Aerospace, Defense, Government Security Group at Capstone in 2024, Oxenstierna has overseen the release of critical industry reports and is planning to expand her team in 2025, further solidifying the firm’s expertise in the defense sector. One of her notable recent transactions involved leading the successful sale of Spin Systems, a company that specializes in data analytics and AI-driven intelligence visualization, to Diné Development Corporation, showcasing the increasing importance of tech modernization in defense.
John Ferrara, Founder and President of Capstone Partners, expressed pride in Oxenstierna’s achievements, emphasizing her influence in shaping the group and contributing to the firm's overall strategic objectives. This recognition not only highlights her personal success but also reflects positively on Capstone Partners, affirming its strength in the competitive field of investment banking focused on Aerospace and Defense.
The Global M&A Network, known for its extensive reach in news and information within the M&A sector, endorses Oxenstierna’s recognition as part of its ongoing mission to celebrate excellence in mergers and acquisitions. Capstone Partners has established itself over the past 20 years as a reliable advisor, offering a wide range of investment banking services designed to address the needs of middle-market companies.
As Tess Oxenstierna continues to guide Capstone Partners through a transformative period, her recognition as Investment Banker of the Year not only signifies her personal accomplishments but also highlights the role of women leaders in shaping the future of investment banking across specialized sectors.
Topics Financial Services & Investing）
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