Executive Team

Extensive security and messaging experience

Donald J. Massaro

President and CEO

Donald Massaro brings more than 30 years of success building and managing both public and privately-held technology companies. Mr. Massaro is responsible for strategic planning and execution, and corporate leadership to establish Sendmail as a market leader in the emerging content security market.

Most recently, he held the position of CEO and co-founder at Reconnex Corporation, a provider of content-monitoring security appliances. Mr. Massaro began his career at Shugart Associates as founder and CEO. Xerox acquired Shugart Associates and in 1979 appointed Massaro President of the Office Products Division. As head of the Office Products Division (XOPD), Massaro created a business unit to develop and market products based on the technologies developed at Xerox's famed Palo Alto Research Center (PARC). In 1981 XOPD announced Ethernet and the Star Information System that incorporated and introduced the world to a number of office technologies that have become standards: Ethernet, the Iconic Desktop, Client-Server Architecture, Electronic Printing, etc.

After Xerox, Mr. Massaro was a founder (1982) and CEO of Metaphor Computer Systems, which was acquired by IBM in 1991. Don has held CEO positions at Silicon Gaming (SGIC), MainStreet Networks and Array Networks.

Massaro holds a Bachelor of Science degree in aeronautical engineering from the University of Notre Dame and received a Master of Science degree in mechanical engineering from Northwestern University. In addition, Massaro was a PhD engineering candidate at the University of California at Berkeley.

Glen D. Vondrick

Executive Vice President and COO

With more than 30 years of high-tech industry experience, including key leadership roles from the last 10 years in the messaging security space, Glen Vondrick heads Sendmail's global operations including sales, professional services, customer support, business development, marketing and manufacturing - directing teams located on three continents.

Prior to Sendmail, Vondrick served as President and Chief Executive Officer of FaceTime Communications, where he was responsible for repositioning the company to become the market leader in Instant Messaging management, compliance, and security solutions for Global 2000 enterprises. Vondrick has also held executive positions at Inference Corporation (acquired by eGain Communications in 2000), Autodesk Inc., and Ithaca Software (acquired by Autodesk in 1993) following a stellar sales and sales management career with CADG, Prime Computer Inc., and Honeywell Information Systems.

Vondrick received a Bachelor of Science degree in Business and Public Administration from the University of Arizona.

You can read his blog posts here.

Eric Allman

Chief Science Officer

As Sendmail's Chief Science Officer and co-founder, Eric Allman leads the company's technology strategy and direction. Allman authored sendmail, the world's first Internet Mail program, in 1981 while at the University of California at Berkeley. He continues to spearhead sendmail.org, the global team of volunteers that maintain and support the sendmail Open Source platform.

At the forefront of industry-leading trends and technology, Allman is currently a leader of the movement to adopt an international standard for Sender Domain Authentication. Allman, backed by a cross-industry group of companies (Cisco, Yahoo, PGP, et. al.), co-authored the draft specification for DomainKeys Identified Mail (DKIM), and submitted it to the Internet Engineering Task Force (IETF).

Before joining Sendmail, Allman served as CTO for Sift, Inc., which is now part of 24/7 Media, Inc. He was lead developer and provided a large-scale research software infrastructure on the Mammoth project at U.C. Berkeley. Allman has contributed as a senior developer at the International Computer Science Institute to neural network systems design. Allman was also Chief Programmer on the INGRES Relational Database Management System and an early contributor to Berkeley UNIX, authoring syslog, tset, the troff -me macros, and trek in addition to sendmail. For several years, he has co-authored the "C Advisor" column for UNIX Review magazine. He was formerly a member of the Board of Directors of USENIX Association and is currently a member of the ACM Queue Editorial Review Board.

Allman holds an Masters of Science degree in Computer Science from the University of California at Berkeley.

Stephanie Nevin

Vice President, Marketing

Stephanie Nevin brings more than 15 years of high tech industry experience to Sendmail. As Vice President, Marketing and Business Development, Nevin directs Sendmail's corporate and product marketing teams, and strategic alliances including: Technology, OEM, Channel, and System Integrator relationships.

Most recently, Nevin was a Business Development Executive with LRN, a leading Ethics and Compliance program provider, where she targeted Fortune 1000 companies in the western US to adopt, design and implement compliance and ethics programs. Prior to LRN, Ms. Nevin was Director of Worldwide Field Alliances at Sendmail where she developed channels for the launch of the Sentrion Email Gateway Security Appliance and expanded Sendmail's OEM partnerships. Previously, Stephanie held Sales and Business Development positions at eGain, and Face Time Communications.

Ms. Nevin holds a Bachelor of Arts in Business Administration from the California State University, Chico.

Sherry Walden

Vice President, Sales Enablement

Sherry Walden has over 20 years experience selling technology solutions, the last 7 years in the messaging, security, and compliance markets. As Vice President, Sales Enablement, Walden is responsible for the delivery of resources, services, and tools to increase the productivity of the field sales team. This includes lead generation programs, tracking and pipeline development as well as technical satisfaction in pre and post-sales.

Prior to Sendmail, Walden served as an executive at FaceTime Communications where she led major account sales in the Americas and developed indirect sales channels internationally. Under her sales leadership, FaceTime became the dominant market leader of solutions for compliance, security, and management of instant messaging within the Global 1000.

Previously, Walden has held management and technical sales positions at Inference Corporation and Texas Instruments.

Ms. Walden holds a Bachelor of Science Degree in Mathematics from the Florida State University.

Ian Emery

Vice President, Sales, EMEA

Ian Emery has over 30 years experience in selling and supporting technology solutions, the last 6 years spent in the messaging, security, and compliance markets. As Vice President, EMEA, Emery is responsible for managing enterprise and channel sales, marketing and professional services across Europe, Middle East and Africa.

Formerly, Emery worked at Tumbleweed Communications, the last three years spent as Managing Director, and managed their move into indirect channel sales. Previous to this he held senior roles in enterprise sales companies such as Oracle Corporation and Industri-Matematik.

Mr. Emery holds a BSc Joint Honours degree in Computer Science and Pure Mathematics from the University College of Wales, Aberystwyth.

Mark W. Davis

Vice President, Finance and Administration and Chief Financial Officer

Mark Davis brings more than 15 years of experience in corporate accounting, finance, tax, treasury and M&A to Sendmail. In his role as, Vice President, Finance and Administration and Chief Financial Officer, Mark leads Sendmail's operations, human resources, and finance teams.

Davis has a proven track record of providing vision, planning and concrete financial analysis. Prior to Sendmail, Mark was Director of Finance and Administration at Reconnex where he helped guide the company through periods of high growth and rapid expansion.

As Corporate Controller for CAPSCO, an electronic component distribution company, Davis was responsible for directing the firm's finance, budgeting, treasury, audit, tax, accounting, and long-range forecasting activities and led the M&A team during the company's multi-million dollar acquisition by TTI, Inc. Mark has also worked in corporate finance for North American Phillips and the mutual fund industry.

Mr. Davis holds a Bachelors of Science and a Masters in Business Administration from San Jose State University.

Steve Comstock

Vice President, Customer Experience

Steve Comstock brings more than 15 years of high-tech experience to Sendmail. Comstock is responsible for improving the customer’s experience with Sendmail’s products including installability, manageability, reliability and scalability. He is also responsible for the Quality Assurance division and technical publications.

Most recently, Comstock served as Director of Collaboration Suite Services at Oracle Corporation. He was responsible for the validation, verification and deployment of all infrastructure products. Prior to this position, he spent several years at Oracle in a number of senior operational management roles.

Mr. Comstock holds a Bachelor of Science degree in Computer Information Systems from Regis University.

Gregory Shapiro

Vice President, Engineering and Chief Technology Officer

In his tenure at Sendmail, Shapiro has held prominent roles in the engineering, information technology, and business development departments, each time bringing the highest level of expertise and leadership to projects. After four years of leading Sendmail's products in production, he returned to improving those solutions, first in the business development group researching and evaluating partner products for the Sendmail Message Processing Engine and most recently as the engineering group's chief architect.

Prior to Sendmail, Shapiro began his professional career as a systems administrator for Worcester Polytechnic Institute (WPI) after graduating from WPI with a degree in Computer Science in 1992.

Shapiro is a FreeBSD committer, has served as program committee member for BSDCon 2002, and program chairman for BSDCon 2003. In addition, he has contributed to the past three editions of the O'Reilly sendmail book.

You can read his blog posts here.

Cheryl Widman

Vice President of Human Resources

Cheryl brings over 20 years of experience in business management and human resources to her role as VP of Human Resources. In this position she is responsible for organizational development, performance management, management coaching, policy recommendation, salary and benefits, team building, employee relations and the hiring process. Prior to this appointment, Cheryl served as Director of Human Resources at Sendmail.

Prior to Sendmail, Cheryl has held positions in the human resource departments of companies including Arrival Communications (multi-state telecommunications), Summa Management Associates, San Francisco Business Times, Automatic Data Processing, and United Cerebral Palsy Association.

Cheryl earned a Bachelor of Arts degree in business management from University of Central Oklahoma. She has also earned a certification from the Human Resources Certification Institute for Professional in Human Resources.