J. Milner

No open positions remaining

65 year

Electronic Technology

Finance

Consumer Services

Profile

J.
Douglas Milner is the founder of True Bearing LLC, founded in 2019, where the title held is Principal.
Current jobs include Chairman of Board at Radiant Plumbing & Air Conditioning, Inc. since 2020, Operating Partner at Riverside Partners LLC (New York) since 2020, and Executive Partner at OceanSound Partners LP since 2019.
Former jobs include Chief Executive Officer & Director at Telular Corp.
from 2013 to 2019, President, Chief Executive Officer & Director at P10 Holdings, Inc. from 2012 to 2013, Chief Executive Officer at Invensas Bonding Technologies, Inc. from 2002 to 2004, Chief Executive Officer at Active Power, Inc. from 2012 to 2013, Chairman of the Board at Abracon LLC from 2020 to 2022, Director at Seair, Inc. from 2006 to 2007, Director at CertifiedSafety, Inc., President at ANDRITZ Fabrics & Rolls, Inc. from 2004 to 2008, President-Stowe Woodward Rolls Worldwide at ANDRITZ Fabrics & Rolls, Inc., Chief Operating Officer at Aquilex Corp.
from 2008 to 2011, and President at Invensys Energy Systems in 2002.
Education includes graduate and MBA degrees from Duke University conferred in 1989, and an undergraduate degree from Ohio Wesleyan University conferred in 1982.

J. Milner active positions

Companies	Position	Start
OceanSound Partners LP OceanSound Partners LP Investment ManagersFinance OceanSound Partners invests in middle market companies located in North America with an enterprise value of up to USD 750 million. The firm focuses on technology and technology-enabled services companies. It participates primarily in founder-owned, carve-out, and public-to-private transactions. It acquires control interest.	Private Equity Investor	01/05/2019
Radiant Plumbing & Air Conditioning, Inc. Radiant Plumbing & Air Conditioning, Inc. Engineering & ConstructionIndustrial Services Provides plumbing and air-conditioning maintenance services	Chairman	01/11/2020
Riverside Partners LLC (New York) Riverside Partners LLC (New York) Investment ManagersFinance Riverside Partners invests in small and middle market companies located across the globe with an EBITDA of USD 10 million - 35 million. The firm focuses on companies operating in the fields of business, consumer, education & training, franchisors, healthcare, software & IT, specialty manufacturing, and thematic investing. It provides financing in growth stage capital transactions and provides non-control options.	Private Equity Investor	01/11/2020

All active positions of J. Milner

Former positions of J. Milner

Companies	Position	End
Abracon LLC Abracon LLC Electronic Production EquipmentElectronic Technology Manufactures and supplies electronic components	Chairman	02/07/2022
Telular Corp. Telular Corp. Computer CommunicationsElectronic Technology Develops LTE-M security device for commercial telematics, security and home automation markets	Chief Executive Officer	01/05/2019
Active Power, Inc. Active Power, Inc. Electrical ProductsProducer Manufacturing Active Power, Inc. specializes in the design and production of battery-free flywheel uninterruptible power supply (UPS) systems using CleanSource® flywheel technology. The private company is based in Austin, TX. The company provides power solutions for mission-critical applications in sectors such as data centers, healthcare, pharmaceuticals, industrial manufacturing, military and defense, transportation, leisure and entertainment, and broadcasting and communication. Its product portfolio includes modular and scalable UPS systems, plug-and-play enclosures, and a battery-free generator starting module. These systems offer high power output, up to 2 minutes of ride-through power, high efficiency, and reduced space requirements compared to traditional battery-based UPS solutions. The flywheel technology is designed for long operational life without battery replacements, reducing maintenance, cooling needs, and total cost of ownership. Features include redundant cooling and control, touchscreen interfaces, power factor correction, dual input with maintenance bypass, and remote monitoring with integration to building management systems. The company promotes flywheel energy storage as a sustainable alternative to batteries, emphasizing lower environmental impact and easier recycling. Active Power provides installation, maintenance, repair, and rental services, and manufactures products domestically to comply with the Buy American Act, serving both government and commercial customers.	Chief Executive Officer	02/08/2013
P10 HOLDINGS, INC.	President	29/07/2013
Aquilex Corp. Aquilex Corp. Other Consumer ServicesConsumer Services Provides specialty maintenance, repair and overhaul services	Chief Operating Officer	-

See the detail of J. Milner's experience

Training of J. Milner

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of J. Milner's experience

Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

See the personal network

Linked companies

Private companies	15
Telular Corp. Telular Corp. Computer CommunicationsElectronic Technology Develops LTE-M security device for commercial telematics, security and home automation markets	Electronic Technology
P10 Holdings, Inc. P10 Holdings, Inc. Investment ManagersFinance Operates as an alternative asset management investment firm	Finance
Seair, Inc. Seair, Inc. Miscellaneous Commercial ServicesCommercial Services Engages in the business of developing proprietary diffusion and sterilization technologies	Commercial Services
Invensas Bonding Technologies, Inc. Invensas Bonding Technologies, Inc. SemiconductorsElectronic Technology Designs and develops semiconductor integration technology	Electronic Technology
ANDRITZ Fabrics & Rolls, Inc. ANDRITZ Fabrics & Rolls, Inc. TextilesProcess Industries Manufactures broad woven fabric, rolls and blankets	Process Industries
Duke University Duke University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Riverside Partners LLC (New York) Riverside Partners LLC (New York) Investment ManagersFinance Riverside Partners invests in small and middle market companies located across the globe with an EBITDA of USD 10 million - 35 million. The firm focuses on companies operating in the fields of business, consumer, education & training, franchisors, healthcare, software & IT, specialty manufacturing, and thematic investing. It provides financing in growth stage capital transactions and provides non-control options.	Finance
Ohio Wesleyan University Ohio Wesleyan University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Aquilex Corp. Aquilex Corp. Other Consumer ServicesConsumer Services Provides specialty maintenance, repair and overhaul services	Consumer Services
CertifiedSafety, Inc. CertifiedSafety, Inc. Miscellaneous Commercial ServicesCommercial Services Provides objective and unbiased third party safety services	Commercial Services
Invensys Energy Systems
Abracon LLC Abracon LLC Electronic Production EquipmentElectronic Technology Manufactures and supplies electronic components	Electronic Technology
OceanSound Partners LP OceanSound Partners LP Investment ManagersFinance OceanSound Partners invests in middle market companies located in North America with an enterprise value of up to USD 750 million. The firm focuses on technology and technology-enabled services companies. It participates primarily in founder-owned, carve-out, and public-to-private transactions. It acquires control interest.	Finance
Radiant Plumbing & Air Conditioning, Inc. Radiant Plumbing & Air Conditioning, Inc. Engineering & ConstructionIndustrial Services Provides plumbing and air-conditioning maintenance services	Industrial Services
Active Power, Inc. Active Power, Inc. Electrical ProductsProducer Manufacturing Active Power, Inc. specializes in the design and production of battery-free flywheel uninterruptible power supply (UPS) systems using CleanSource® flywheel technology. The private company is based in Austin, TX. The company provides power solutions for mission-critical applications in sectors such as data centers, healthcare, pharmaceuticals, industrial manufacturing, military and defense, transportation, leisure and entertainment, and broadcasting and communication. Its product portfolio includes modular and scalable UPS systems, plug-and-play enclosures, and a battery-free generator starting module. These systems offer high power output, up to 2 minutes of ride-through power, high efficiency, and reduced space requirements compared to traditional battery-based UPS solutions. The flywheel technology is designed for long operational life without battery replacements, reducing maintenance, cooling needs, and total cost of ownership. Features include redundant cooling and control, touchscreen interfaces, power factor correction, dual input with maintenance bypass, and remote monitoring with integration to building management systems. The company promotes flywheel energy storage as a sustainable alternative to batteries, emphasizing lower environmental impact and easier recycling. Active Power provides installation, maintenance, repair, and rental services, and manufactures products domestically to comply with the Buy American Act, serving both government and commercial customers.	Producer Manufacturing

See company connections