Tim Grass Named President & Chief Executive Officer of Nautilus Integrated Solutions

April 3, 2023

 Stamford, CT – Compass Partners Capital LLC (“Compass”) announced today that Tim Grass has been selected as Nautilus Integrated Solutions (“Nautilus”) new President and Chief Executive Officer (“CEO”). 

Tim is an accomplished manufacturing executive who spent most of his career with Marmon/Berkshire Hathaway. He was the President of Marmon Aerospace & Defense Group which provides harsh environment connectivity solutions for most defense applications, with a heavy Navy emphasis. He delivered significant growth in these businesses through operational excellence, product and service differentiation, acquisitions and developing high-performance teams. Tim earned his BS in Mechanical Engineering from the University of Maine and went on to complete his MS in Mechanical Engineering. He also completed Marmon’s Executive Leadership Program. 

Compass would like to thank the Nautilus Board of Directors for its engagement during the search process and Nautilus Chairman James Waters for stepping in as Interim CEO the last four months. While we continued to ave significant work to do in the coming months to improve operating performance, Nautilus had a solid first quarter and we will be working in partnership with Tim to unlock the company’s potential in the months ahead.  


About Nautilus Integrated Solutions

Nautilus Integrated Solutions (NIS) offers rare foundry to finished production capabilities. Specializing in the defense and commercial nuclear components that require high levels of precision and quality delivered on time. NIS continues to expand its capabilities and portfolio to support its customers.

About Compass

Compass Partners Capital LLC is a family-owned investment firm located in Stamford, CT.  Compass focuses on defense and aerospace-related investments.















April 3, 2023



Stamford, CT – Compass Partners Capital LLC (“Compass”) announced today that Vice Admiral John Morgan (Ret.), currently a Director of Micro Precision LLC (“MPI”), has been selected as MPI’s new President and Chief Executive Officer (“CEO”).  Vice Admiral Morgan assumes his new role on November 12, 2019.  He succeeds Bob Mongell who has been CEO of MPI since 1989 and has built the company into a critical supplier of components for the US submarine program.

“I am honored to have been selected as MPI’s next President and CEO.  It is a privilege to be part of an organization that is a vital supplier in America’s Submarine Industrial Base and plays a significant role in our national defense,” said Vice Admiral Morgan.  He continued, “MPI has a significant opportunity to leverage its strong reputation for zero defect on-time delivery, and I look forward to leading the company through an unprecedented period of expansion as the United States reconstitutes its submarine force.”

Vice Admiral Morgan previously served as Chairman and CEO of Nobles Worldwide, a leading global provider of high-quality ammunition systems, until its recent sale.  A 36-year Navy veteran, Vice Admiral Morgan was a key advisor to the Secretary of the Navy, Chief of Naval Operations and the Chairman of the Joint Chiefs of Staff.  In addition, he commanded the USS Enterprise carrier battle group, which played a critical role following the attacks against the US on 9/11.  For his leadership in combat, Morgan received the Bronze Star.

“We are thrilled to appoint Vice Admiral Morgan as CEO of MPI,” said James Waters, lead Director of the Board.  He added, “John’s leadership combined with his knowledge and understanding of the US Navy will be a substantial asset for MPI and its customers.  We look forward to John stewarding the company’s growth in the years ahead.  We would also like to thank Bob Mongell for his leadership and dedication to the company over the past three decades.  He leaves MPI in a strong position to grow by serving its customers.”

About Micro Precision LLC

Founded in 1981 and located in South Windham, CT, Micro Precision is a prime contractor supplying critical parts and mechanical assemblies to major submarine contractors, as well as the US Department of Defense and other government agencies.

About Compass

Compass Partners Capital LLC is a family-owned investment firm located in Stamford, CT.  Compass focuses on defense and aerospace-related investments.




ThayerMahan raises $30 million in Series C Funding

GROTON, Conn., April 18, 2023 – ThayerMahan, a world leader in autonomous maritime surveillance solutions, completed $30 million in Series C funding, led by the MC2 Security Fund (MC2). New investors in the round also include I Squared Capital, Ducenta Squared Asset Management, and Compass Partners (who also serves as an advisor to the Company). Existing investors AE Industrial Partners, Hegemon Capital, and an affiliate of RiverPark Ventures also participated.

“ThayerMahan has demonstrated strong capabilities for both naval defense and commercial offshore energy use cases. This ‘dual use’ market approach provides strong diversification of revenue streams and helps to mitigate risk,” said Chad Sweet, MC2 partner, who was recently appointed to the Company’s Board.  “This investment round will accelerate ThayerMahan’s growth and further advance its high performing AI-and autonomy-related technology, which is proving to be critical to the success of both the commercial and federal maritime missions.”

Founded in 2016, ThayerMahan provides maritime domain data solutions serving industrial sectors including maritime security, defense and intelligence, subsea infrastructure, offshore energy, living marine resources, and acoustic sciences. The Company delivers data insights to its customers by deploying and operating a portfolio of unmanned autonomous sea-based systems. Its proprietary AI technology collects and curates data sets – analyzing and accelerating the speed of data comprehension. ThayerMahan has a deep bench of collective acoustics expertise, including over 75 employees with security clearances. The government has issued ThayerMahan eight patents, and seven more are pending.

ThayerMahan Chairman and Chief Executive Officer Mike Connor noted, “From the outset, we’ve focused on improving the United States’ ability to monitor ocean activity effectively and efficiently using autonomous systems to protect and defend our people, territories, assets and allies. We’ve attracted a passionate team of mission-driven professionals.”

“This round enables us to spur our development and deployment of unique technology, which is receiving strong demand from both our government and commercial customers.  We look forward to advancing growth through the expertise and relationships from MC2 and our new investors in this round,” Connor said.   “I also want to thank an affiliate of RiverPark Ventures and Hegemon Capital, the lead investors in our A and B rounds respectively, who embraced our vision and supported us as we made this game changing technology a reality.  We look forward to creating even more value for all our investors with this significant new infusion of capital.”

About ThayerMahan

ThayerMahan, Inc. is a maritime technology company dedicated to providing its government and commercial clients with turn-key autonomous marine solutions, including deployment, operations, data gathering and analysis services, using state-of-the-art acoustic and electronic sensors integrated on a variety of host platforms tailored to specific mission criteria. The Company is headquartered in Groton, CT with additional locations in Lexington, MA; Boston and Washington DC. For more information, please contact info@thayermahan.com.

About MC2

The MC2 Security Fund is a growth equity fund founded by the executive leadership team of The Chertoff Group. MC2 makes private equity investments in high growth companies supporting enduring, mission-critical security requirements within the security and risk management industry. Investment sectors include Cybersecurity, Defense Technology, Government Services, and Homeland Security.

About I Squared Capital

I Squared Capital is an independent global infrastructure investment manager focusing on energy, utilities, telecom and transport in the Americas, Europe and Asia.

About Compass Partners

Compass Partners Capital (www.compasspartners.com) is a private investment firm focused on helping companies seize 21st century opportunities. Compass invests in high-priority aerospace, defense, and industrial platforms to create value for investors through active management.

Compass Partners Acquires PRL, Inc.

October 26, 2020 


Compass Partners Capital LLC (“Compass”), a Stamford-based investment firm, is pleased to announce the acquisition of PRL, Inc. (“PRL”), a leading manufacturer of high-tech alloy castingsPRL will be combined with Micro Precision Inc. (“MPI”), a Compass portfolio company, to create best-in-class enterprise serving the United States Navynuclear power, and railroad industries. Vice Admiral John Morgan (USN, ret.), currently President & CEO of MPI, will serve as the Chief Executive Officer of the combined platform 

A former Deputy Chief of Naval Operations, Admiral Morgan stated, “We have no greater priority than our nation, our customers, and our employees. This combination demonstrates our steadfast commitment to all three with a concerted focus on the US submarine programs. We are building a trusted one-stop shop for critical components, with an unwavering dedication to quality and on-time delivery. These companies can and will grow as we serve the top priority programs in the Pentagon.” Headquartered in South Windham, CT, Micro Precision is a tier-one, Level 1/SUBSAFE supplier of critical components and assemblies for the US Navy’s Virginia and Columbia class submarines.  

Family owned since 1972, PRL is headquartered in Cornwall, PA and comprised of PRL Industries, Regal Cast, and Lebanon Tool Companyvertically-integrated enterprise, PRL and its subsidiaries have capabilities to pour a wide variety of ferrous and nonferrous alloy castings, conduct conventional to close tolerance machining on small to large components, and provide in-house non-destructive examination and upgrading services. Collectively, PRL’s team prides themselves on their decades of supplying high quality product and work to the US Navy and nuclear power industries. 

Janis Herschkowitz, PRL’s President & CEO said, “The acquisition by MPI will not only provide additional resources to our talented workforce, but increases PRL’s visibility with the nuclear Navy, and will be instrumental in growing PRL to the next level. PRL is ecstatic to welcome Admiral John Morgan as the new CEO, as his leadership skills and values are second to none.” 

“PRL’s employees have always been proud of the significant role we’ve played in our nation’s defense.  To continue to do that with our partners at Compass gives us opportunity to expand and grow our role in providing the best Navy in the world with more diverse components,” added Patricia Herschkowitz, a PRL, Inc. co-owner and Director of Public Relations, Government Affairs & Advertising.  “I think our father would be proud of the direction we are headed.”    

James Waters, Chief of Staff at Compass who led the deal team stated, “We are thankful to both Jan and Pat Herschkowitz and applaud them for building such unique company. We are humbled to carry on their legacy, believe in Admiral Morgan, and are eager to make a positive impact for our country and the communities of Windham County, CT and Lebanon County, PA. Our patriotic investors deserve tremendous credit for making all of this possible. 

Bigelow LLC represented PRL in the transaction. PRL was also advised by Blank Rome LLPCompass was advised by Willkie Farr & Gallagher LLPFiondellaMilone and LaSaracina LLP, and Trivista Business Group. 


About PRL Inc. 

Headquartered in Cornwall, Pennsylvania, PRL is comprised of PRL Industries, Inc., Regal Cast, Inc., and LTC, Inc.. PRL Industries provides customers with in-house poured castings, non-destructive examination and upgrading services on ferrous and nonferrous castings, as well as machining.   

About Micro Precision LLC 

Founded in 1981 and located in South Windham, CT, Micro Precision is a prime contractor supplying critical parts and mechanical assemblies to major submarine contractors, as well as the US Department of Defense and other government agencies. 

About Compass 

Compass Partners Capital LLC is a private investment firm located in Stamford, CT. An independent sponsor, Compass focuses on defense and aerospace-related investments that are aligned with US national security strategy. 

About Bigelow LLC 

Originally established in 1935, Bigelow LLC is widely known as the M&A Advisory Boutique that deals exclusively with private Entrepreneur Owner Managers. Bigelow has a reputation for having a unique understanding of the special requirements of the owner-managed, entrepreneurial operating company in building and ultimately capturing Enterprise Value.