Duff Ackerman & Goodrich

Duff Ackerman & Goodrich is a private investment firm established in 1991 and based in Palo Alto, California. The firm manages investments through its two subsidiaries: DAG Private Equity and DAG Ventures. DAG Private Equity focuses on acquisitions, including platform investments and buyouts, while DAG Ventures targets companies with established technology, investing from the prototype stage onward. The firm aims to identify and support promising opportunities within the private equity and venture capital sectors.

Young Chung

Managing Director

John M. Duff Jr

Managing Director and Co-Founder

Deberah B. Stark

Investment Professional

25 past transactions

Silver Peak Systems, Inc.

Series C in 2007
Silver Peak products give you the power to quickly migrate to an enterprise-grade WAN that leverages the Internet, while dramatically improving application performance and lowering networking costs. Silver Peak software unifies the cloud, the Internet and the enterprise WAN on a single fabric. This provides IT with complete visibility and control over the new cloud-driven network while ensuring consistent performance for every enterprise and Software as a Service (SaaS) application. Silver Peak solves network bandwidth, distance and quality challenges, which helps customers backup and recover more data in less time, gain faster access to cloud and enterprise applications, and safely migrate enterprise apps from costly, complex private links to the Internet. Unlike traditional WAN optimization, Silver Peak correlates information about cloud services and Internet weather to intelligently route traffic over a secure, optimal path. Silver Peak deploys quickly and easily on any hypervisor and can save customers up to 80% in WAN optimization costs by switching to a Silver Peak software subscription.

Rec Room Inc.

Private Placement in 2020
Rec Room Inc. operates an online platform that provides virtual social club where users create and play games with friends. The company was founded in 2016 and is based in Seattle, Washington.

Entrisphere

Series B in 2002
Entrisphere, Inc. supplies access network equipment for the broadband service providers. Its products include BLM 1500, a multi-service access platform that provides POTS, HiCap, IPTV, DSL, B-PON and GPON, voice over packet, and Ethernet interfaces from a single chassis; and T-series of ONTs and ONUs, which support deployments, including single family units, small business units, multiple dwelling units, multiple tenant units, and in fiber to the curb and fiber to the business. The company also provides Entriview EMS that provides centralized control of BLM 1500 network with FCAPS functionality; and OSP cabinets, which enable voice, data, and video services to be deployed over copper or fiber from remote locations. In addition, it offers support services, such as network planning, consultation, installation, configuration, training, project management, maintenance, and software support. The company was founded in 2000 and is based in Santa Clara, California. As of February 12, 2007, Entrisphere, Inc. operates as subsidiary of LM Ericsson Telephone Co.

netvmg

Series C in 2002
netVmg is an intelligent route control software company that enables companies to control internet performance levels in order to achieve business objectives such as cost reduction and application performance improvement. The company’s product portfolio includes hardware platforms such as the FCP 500 for mid-sized enterprises, and the FCP 100 for smaller sites. netVmg was founded in May 2000 and was acquired by Internap Newtwork Services Corporation in 2003.

Topspin Communications

Series B in 2002
Topspin Communications provides server networking equipment. It provides server fabric switches, a class of server networking equipment, which offers programmable infrastructure for grid and utility computing, clustered enterprise applications, and server virtualization. These switches are designed to connect servers together into a grid, which provides network and storage connectivity to server grid. The company was founded in 2000 and is headquartered in Mountain View, California.

D2S

Private Equity Round in 2011
D2S designs and develops software and IPs that facilitate direct write e-beam lithography for the production of SoC integrated circuits. Its platform maximizes existing eBeam technology to reduce mask costs for both low- and high-volume applications. D2S TrueMask solutions enable advanced photomask designs at 28-nm-and-below process nodes using complex shapes for superior wafer quality but within practical write-times using existing eBeam mask writing equipment. D2S is based in San Jose, California.

Qlusters

Series B in 2004
As of July 14, 2008, Qlusters, Inc. went out of business. Qlusters, Inc. Qlusters, Inc. provides data center technology and services. The company offers openQRM, a data center provisioning and management software for software provisioning and managing virtual environments. Qlusters, Inc. was founded in 2001 and is based in Palo Alto, California with additional offices in Tel Aviv, Israel; and New York, New York.

Silver Peak Systems, Inc.

Series B in 2006
Silver Peak products give you the power to quickly migrate to an enterprise-grade WAN that leverages the Internet, while dramatically improving application performance and lowering networking costs. Silver Peak software unifies the cloud, the Internet and the enterprise WAN on a single fabric. This provides IT with complete visibility and control over the new cloud-driven network while ensuring consistent performance for every enterprise and Software as a Service (SaaS) application. Silver Peak solves network bandwidth, distance and quality challenges, which helps customers backup and recover more data in less time, gain faster access to cloud and enterprise applications, and safely migrate enterprise apps from costly, complex private links to the Internet. Unlike traditional WAN optimization, Silver Peak correlates information about cloud services and Internet weather to intelligently route traffic over a secure, optimal path. Silver Peak deploys quickly and easily on any hypervisor and can save customers up to 80% in WAN optimization costs by switching to a Silver Peak software subscription.

CardioDx

Private Equity Round in 2012
CardioDx, Inc., a molecular diagnostics company, develops tests for coronary artery disease (CAD), cardiac arrhythmia, and heart failure. It develops Corus CAD, a blood test that helps primary care clinicians and cardiologists to assess whether or not non-diabetic patient’s chest discomfort or other symptoms are due to obstructive CAD. The company serves customers in the United States. CardioDx, Inc. was incorporated in 2003 and is based in Redwood City, California.

netvmg

Series B in 2001
netVmg is an intelligent route control software company that enables companies to control internet performance levels in order to achieve business objectives such as cost reduction and application performance improvement. The company’s product portfolio includes hardware platforms such as the FCP 500 for mid-sized enterprises, and the FCP 100 for smaller sites. netVmg was founded in May 2000 and was acquired by Internap Newtwork Services Corporation in 2003.

Tropos Networks

Series D in 2004
Tropos Networks is a supplier of systems used to build metro-scale Wi-Fi networks. Tropos' products enable network operators, service providers and government departments to provide ubiquitous, metro-scale, broadband, wireless data coverage for users in any locale. Tropos' solution creates a truly wireless network, free from the requirement of per node wired connectivity associated with Wi-Fi hot spot deployments using access points. Tropos' products enable larger coverage areas, decreased installation costs and decreased operational costs.

Edeniq

Series A in 2008
Edeniq, Inc. is a leading biotechnology company that develops processes for producing and measuring cellulosic ethanol from corn kernel fiber through its Intellulose technology. Edeniq’s Intellulose requires zero capital investment and is easily integrated into existing ethanol production facilities. Edeniq was established in 2008 and is headquartered in Visalia, Calif. with a field office in Omaha, Neb. More information can be found at www.edeniq.com.

Pedestal Networks

Series C in 2004
Pedestal Networks, developer of innovative universal broadband solutions. It develops DSL solutions that allow service providers to overcome current technical and economic barriers of DSL service deployment.

Advanced Telecom Group

Private Equity Round in 1999
Advanced Telecom Group is a telecommunications service provider based in Washington. The company offers services related to telephone and voice mail systems installations, service, and repair. It also offers voice, data, fiber, and video cabling services.

Oakley Networks

Series B in 2006
Oakley Networks is a security services company that specializes in threat detection and prevention. It provides military grade data and infrastructure solutions to federal and commercial customers. The Company offers various security solutions including enterprise monitoring and video surveillance for protecting data assets, intellectual property, and infrastructure. They provide integrated endpoint and network solutions with DVR-type incident replay. Oakley Networks was founded in 2002 and is headquartered in the United States.

Qlusters

Series C in 2007
As of July 14, 2008, Qlusters, Inc. went out of business. Qlusters, Inc. Qlusters, Inc. provides data center technology and services. The company offers openQRM, a data center provisioning and management software for software provisioning and managing virtual environments. Qlusters, Inc. was founded in 2001 and is based in Palo Alto, California with additional offices in Tel Aviv, Israel; and New York, New York.

Suncom Wireless Holdings

Series C in 1998
Suncom Wireless Holdings is a rapidly growing provider of wireless personal communications services in the southeastern United States. Their personal communications services licenses cover approximately 13 million potential customers in a contiguous geographic area encompassing portions of Virginia, North Carolina, South Carolina, Tennessee, Georgia and Kentucky.

Mblox

Series A in 2003
Founded in 1999, Mblox are the original SMS company. With over 100 direct carrier relationships and a global reputation for expertise in mobile messaging, they are trusted by more companies to carry their mission-critical traffic than any other service. Their cloud based mobile messaging platform processes 7 billion mobile messages a year on behalf of more than 4,000 customers. They provide services to fit any size business, from the small start-up to the largest multinational organisation. Every customer has access to 24/7 email support as standard, provided by an in-house team of experts. In addition they offer a variety of support packages to meet your business needs.

netvmg

Series D in 2003
netVmg is an intelligent route control software company that enables companies to control internet performance levels in order to achieve business objectives such as cost reduction and application performance improvement. The company’s product portfolio includes hardware platforms such as the FCP 500 for mid-sized enterprises, and the FCP 100 for smaller sites. netVmg was founded in May 2000 and was acquired by Internap Newtwork Services Corporation in 2003.

MobileSys

Series B in 2000
MobileSys is a developer of software solutions that integrate message delivery for wireless devices including cell phones, pagers, and PDA's and enterprise-wide applications, such as CRM, sales force automation, email, help desk and more. Its products include EtherPage Wireless Messaging Server, MobileSys MX Wireless Messaging Engine and the MobileSys Wireless Data Network all providing a platform for enterprise and eBusinesses.

CallVision.com

Series A in 2000
CallVision.com is a Seattle based application service provider, and is recognized as the leading developer of web-based, business-to-business Internet billing and analysis applications.

Silver Peak Systems, Inc.

Series D in 2008
Silver Peak products give you the power to quickly migrate to an enterprise-grade WAN that leverages the Internet, while dramatically improving application performance and lowering networking costs. Silver Peak software unifies the cloud, the Internet and the enterprise WAN on a single fabric. This provides IT with complete visibility and control over the new cloud-driven network while ensuring consistent performance for every enterprise and Software as a Service (SaaS) application. Silver Peak solves network bandwidth, distance and quality challenges, which helps customers backup and recover more data in less time, gain faster access to cloud and enterprise applications, and safely migrate enterprise apps from costly, complex private links to the Internet. Unlike traditional WAN optimization, Silver Peak correlates information about cloud services and Internet weather to intelligently route traffic over a secure, optimal path. Silver Peak deploys quickly and easily on any hypervisor and can save customers up to 80% in WAN optimization costs by switching to a Silver Peak software subscription.