Siris Capital Group

Siris Capital Group is a private equity firm founded in 2011 and based in New York that targets buyout investments in the technology, telecommunications, data services, and technology-enabled business services sectors in North America. The firm focuses on collaborating with management to create value through operational improvements and strategic initiatives.

John Abram

Vice President

Robert Aquilina

Executive Partner

Frank Baker

Co-Founder and Managing Partner

Frank Baker

Co-Founder and Managing Partner

Andrew Barr

Vice President

Peter Berger

Co-Founder and Managing Partner

Peter Berger

Co-Founder and Managing Partner

Nazar Bilukha

Vice President

Nazar Bilukha

Vice President

Dave Calamai

Principal

Stephen Catera

Partner

Stephen Catera

Partner

Tiger Chen

Associate

Dante DiSimplico

Vice President

Sandeep Guleria

Managing Director

Sandeep Guleria

Managing Director

Jeffrey Hendren

Co-Founder and Managing Partner

Jeffrey Hendren

Co-Founder and Managing Partner

Jeffrey Jacobson JD

Executive Partner

John McCormack

Executive Partner

Daniel Moloney

Executive Partner

Matthew Montaquila

Senior Associate

Kevin O’Brien

Vice President

Hubert de Pesquidoux

Executive Partner

Edward Robson

Vice President

Theodore Schell

Executive Partner

Ian Silverman

Partner and CFO

Tyler Sipprelle

Partner

Vipul Tandon

Managing Director and Head of Credit Opportunities

Prosper Vignone

Principal

Grant Weisberg

Vice President

20 past transactions

Travelport

Private Equity Round in 2023
Travelport is a technology company focused on enhancing the travel buying and management experience. It operates a comprehensive travel commerce platform that offers distribution, technology, payment solutions, and other services tailored for the global travel and tourism industry. In addition to its core business, Travelport fosters innovation through its Travelport Labs Accelerator, which supports a select group of travel startups with seed funding and mentorship. This 16-week program allows founders to concentrate on their ventures while benefiting from the expertise and resources provided by Travelport, including insights from employees, partners, and customers in the travel sector.

BearCom

Acquisition in 2023
BearCom is a provider and integrator of wireless communications solutions, offering a broad line of wireless voice and data products, services, and mobility solutions. Founded in 1981, it operates as a nationwide dealer and integrator of wireless communications equipment with 26 branch offices in the United States and affiliated offices worldwide, and employs about 400 people. The company designs, integrates, rents, and maintains wireless voice, video, and data systems, including radios, broadband cards, and surveillance cameras. It serves industries such as airlines, manufacturing and petrochemical plants, distribution centers, hotels, and public safety agencies, helping clients stay connected, boost operating efficiency, and enhance safety. Headquartered in the Dallas, Texas area.

Mavenir

Private Equity Round in 2023
Mavenir is a cloud-native network software provider that focuses on transforming telecommunications networks for Communications Service Providers (CSPs). The company offers a comprehensive suite of products that spans all layers of network infrastructure, including 5G application layers, packet core, and radio access networks (RAN). With a track record of pioneering advanced technologies such as VoLTE and Virtualized RAN, Mavenir serves over 250 CSP customers in more than 130 countries, impacting over 50% of global subscribers. Their innovative solutions are designed to enhance service agility and reduce costs while promoting revenue generation and protection. By leveraging disruptive technology architectures, Mavenir aims to redefine network economics and accelerate the evolution of network functions virtualization (NFV) to achieve web-scale efficiencies.

Travelport

Private Equity Round in 2023
Travelport is a technology company focused on enhancing the travel buying and management experience. It operates a comprehensive travel commerce platform that offers distribution, technology, payment solutions, and other services tailored for the global travel and tourism industry. In addition to its core business, Travelport fosters innovation through its Travelport Labs Accelerator, which supports a select group of travel startups with seed funding and mentorship. This 16-week program allows founders to concentrate on their ventures while benefiting from the expertise and resources provided by Travelport, including insights from employees, partners, and customers in the travel sector.

Mavenir

Private Equity Round in 2022
Mavenir is a cloud-native network software provider that focuses on transforming telecommunications networks for Communications Service Providers (CSPs). The company offers a comprehensive suite of products that spans all layers of network infrastructure, including 5G application layers, packet core, and radio access networks (RAN). With a track record of pioneering advanced technologies such as VoLTE and Virtualized RAN, Mavenir serves over 250 CSP customers in more than 130 countries, impacting over 50% of global subscribers. Their innovative solutions are designed to enhance service agility and reduce costs while promoting revenue generation and protection. By leveraging disruptive technology architectures, Mavenir aims to redefine network economics and accelerate the evolution of network functions virtualization (NFV) to achieve web-scale efficiencies.

Equiniti

Acquisition in 2021
Equiniti is a British outsourcing company specializing in financial and administrative services. It offers shareholder management, pension administration, remediation, and credit services to clients globally.

Constant Contact

Private Equity Round in 2021
Founded in 1998, Constant Contact specializes in providing digital marketing tools for small organizations. It offers email marketing, social media marketing, event management, and online survey services to help businesses build stronger customer relationships. With over half a million clients, the company aims to make online marketing simple and affordable.

Travelport

Private Equity Round in 2020
Travelport is a technology company focused on enhancing the travel buying and management experience. It operates a comprehensive travel commerce platform that offers distribution, technology, payment solutions, and other services tailored for the global travel and tourism industry. In addition to its core business, Travelport fosters innovation through its Travelport Labs Accelerator, which supports a select group of travel startups with seed funding and mentorship. This 16-week program allows founders to concentrate on their ventures while benefiting from the expertise and resources provided by Travelport, including insights from employees, partners, and customers in the travel sector.

Digital River

Private Equity Round in 2020
Digital River, Inc. is a prominent global provider of Commerce-as-a-Service solutions, specializing in end-to-end cloud commerce, payments, and marketing services. Founded in 1994 and headquartered in Minnetonka, Minnesota, the company serves a diverse clientele, including small to mid-sized businesses and multinational enterprises across various industries such as software, consumer electronics, and publishing. Digital River enables its customers to streamline their online operations by offering a comprehensive technology platform and a suite of services that includes commerce store design and hosting, order management, fraud prevention, and multi-lingual customer support. The company supports transactions in multiple currencies and provides local payment processing, tax compliance, and digital product delivery. Additionally, Digital River enhances online marketing efforts through services like email marketing, search engine optimization, and web analytics. With more than 30 offices worldwide, Digital River has established itself as a key player in facilitating commerce transactions and increasing sales for its clients.

TPx Communications

Acquisition in 2019
TPx Communications is a prominent telecommunications provider based in downtown Los Angeles, serving businesses since 1998. As one of the largest competitive local exchange carriers (CLEC) in California and Nevada, the company competes directly with established giants like AT&T, Verizon, and CenturyLink. TPx offers a broad range of services, including business internet, phone, managed IT, unified communications, network connectivity, and security solutions. With a commitment to improving operational efficiency and security for its clients, TPx serves various industries, such as healthcare, finance, and retail. The company operates on its own network infrastructure and employs over 1,100 staff members across 40 regional offices and call centers, positioning itself as a vital player in the telecommunications sector.

Electronics For Imaging

Acquisition in 2019
Electronics for Imaging, Inc. specializes in digital printing technology and productivity software for various industries, including packaging, textiles, ceramics, and signage. The company offers a diverse array of industrial digital inkjet printers, such as those for format display graphics, corrugated packaging, and ceramic tile decoration. Additionally, it provides specialty inks and parts for these printers, alongside professional services. Electronics for Imaging also features a comprehensive suite of software that enhances business and production workflows, catering to businesses of all sizes in the print and packaging sectors. Founded in 1988 and headquartered in Fremont, California, the company aims to help clients transition from analog to digital production, thereby improving efficiency and customer satisfaction.

Travelport

Acquisition in 2018
Travelport is a technology company focused on enhancing the travel buying and management experience. It operates a comprehensive travel commerce platform that offers distribution, technology, payment solutions, and other services tailored for the global travel and tourism industry. In addition to its core business, Travelport fosters innovation through its Travelport Labs Accelerator, which supports a select group of travel startups with seed funding and mentorship. This 16-week program allows founders to concentrate on their ventures while benefiting from the expertise and resources provided by Travelport, including insights from employees, partners, and customers in the travel sector.

Web.com

Acquisition in 2018
Web.com, Inc. specializes in providing internet services and online marketing solutions tailored to small and medium-sized businesses. The company offers a comprehensive suite of services, including domain registration, website design, logo creation, search engine optimization and marketing, lead generation, and e-commerce solutions. Web.com's user-friendly platform, Website Pros, enables non-technical users to create and manage professional websites, increase online traffic, and engage with customers effectively.

Intralinks

Acquisition in 2017
Intralinks Holdings, Inc. is a technology company that specializes in software-as-a-service (SaaS) solutions for secure enterprise content collaboration, both domestically and internationally. Founded in 1996 and based in New York, Intralinks provides a cloud-based platform that facilitates the management, control, and exchange of sensitive information within and between organizations. Its product offerings include Intralinks Dealspace for virtual deal rooms, Intralinks Studyspace for sharing confidential information, and Intralinks VIA for enterprise content sharing. The company serves a diverse range of industries, including financial services, life sciences, technology, and manufacturing, and caters to enterprises, financial institutions, and governmental agencies. Intralinks distributes its solutions directly through a dedicated sales team and indirectly via a network of channel partners and customer referrals. The company has undergone several changes in ownership and name, most recently becoming a subsidiary of SS&C Technologies Holdings, Inc.

Mavenir

Acquisition in 2017
Mavenir is a cloud-native network software provider that focuses on transforming telecommunications networks for Communications Service Providers (CSPs). The company offers a comprehensive suite of products that spans all layers of network infrastructure, including 5G application layers, packet core, and radio access networks (RAN). With a track record of pioneering advanced technologies such as VoLTE and Virtualized RAN, Mavenir serves over 250 CSP customers in more than 130 countries, impacting over 50% of global subscribers. Their innovative solutions are designed to enhance service agility and reduce costs while promoting revenue generation and protection. By leveraging disruptive technology architectures, Mavenir aims to redefine network economics and accelerate the evolution of network functions virtualization (NFV) to achieve web-scale efficiencies.

Polycom

Acquisition in 2016
Polycom provides collaboration solutions for voice, video, and content sharing. It offers a range of products including video conferencing systems, conference room systems, mobile applications, and cloud-delivered services. Polycom serves various industries such as finance, manufacturing, government, education, and healthcare through its network of channel partners worldwide.

Xura

Acquisition in 2016
Xura is a company focused on advancing digital communication technologies. It collaborates with Communications Service Providers (CSPs), operators, and enterprises globally to address the demands of modern consumers who utilize multiple devices and services. Xura develops innovative products and services that enable clients to maximize the potential of their existing technologies and create richer communication solutions. The company plays a significant role in the industry, assisting eight of the top ten global operators in reaching over three billion endpoints. By facilitating the evolution of digital communications, Xura positions itself as a key player in shaping the future of the sector.

PGi (Premiere Global Services)

Acquisition in 2015
PGi (Premiere Global Services) specializes in providing technology solutions that facilitate meaningful connections and collaboration among individuals and organizations. Understanding the challenges of reduced face-to-face interactions in the digital age, PGi focuses on creating intuitive and user-friendly platforms that enhance communication and teamwork. The company's mission revolves around simplicity, aiming to streamline collaboration processes and improve business outcomes. By prioritizing the needs of users, PGi addresses the growing demand for effective and engaging methods of connection in a rapidly evolving business landscape.

Digital River

Acquisition in 2014
Digital River, Inc. is a prominent global provider of Commerce-as-a-Service solutions, specializing in end-to-end cloud commerce, payments, and marketing services. Founded in 1994 and headquartered in Minnetonka, Minnesota, the company serves a diverse clientele, including small to mid-sized businesses and multinational enterprises across various industries such as software, consumer electronics, and publishing. Digital River enables its customers to streamline their online operations by offering a comprehensive technology platform and a suite of services that includes commerce store design and hosting, order management, fraud prevention, and multi-lingual customer support. The company supports transactions in multiple currencies and provides local payment processing, tax compliance, and digital product delivery. Additionally, Digital River enhances online marketing efforts through services like email marketing, search engine optimization, and web analytics. With more than 30 offices worldwide, Digital River has established itself as a key player in facilitating commerce transactions and increasing sales for its clients.

Stratus Technologies

Acquisition in 2014
Stratus delivers zero-touch Edge Computing platforms that enable businesses to securely turn data into actionable intelligence at the edge, cloud, or data center. For over four decades, it has provided reliable and redundant computing solutions, ensuring continuous availability of business-critical applications with minimal risk.
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