ANDOVER, MA, March 19, 2025 /24-7PressRelease/ -- Peter Graham Johnson has been included in Marquis Who's Who. As in all Marquis Who's Who biographical volumes, individuals profiled are selected on the basis of current reference value. Factors such as position, noteworthy accomplishments, visibility, and prominence in a field are all taken into account during the selection process.

Mr. Johnson is a distinguished figure in the field of engineering and is respected for his significant contributions to the development and testing of broadband and networking technologies. As a founder and vice president of engineering at Sifos Technologies Inc., he has led the firm's advancement to become a worldwide leader in the certification of products that deploy Power over Ethernet (PoE) interfaces. Under Mr. Johnson's leadership, the engineering team at Sifos has developed highly automated systems that are now deemed essential for developers and original equipment manufacturers worldwide.

Mr. Johnson initiated his career after completing a bachelor's degree in electrical and electronics engineering from Cornell University in 1977. He initially joined Polaroid, where he worked for three years before moving to Hewlett-Packard. During his 25-year tenure at Hewlett-Packard and its spin-off Agilent Technologies, Mr. Johnson excelled in the role of engineering manager, playing a crucial role in developing advanced automated testing equipment for electronic components and systems and shaping productive manufacturing and qualification processes.

In 2004, recognizing the shifting landscape of electronics manufacturing, Mr. Johnson co-founded Sifos Technologies Inc. with a former colleague from Hewlett-Packard. The company quickly became a dominant force in PoE testing, providing flexible and adaptable systems that shaped industry testing practices. Despite being a small company with only seven full-time employees, Sifos Technologies has maintained profitability since its inception and is trusted by major network equipment manufacturers like Cisco and HPE for PoE certification.

Throughout his career, Mr. Johnson has been driven by creativity and innovation, traits he attributes to his early involvement in music while in high school. His ability to devise unconventional solutions has been a hallmark of his professional journey, enabling him to overcome significant challenges and deliver differentiated solutions in a competitive market. Mr. Johnson specifically counts his work both at HP/Agilent and his own small business as notable career achievements, especially his role in developing automated test systems that were essential to the the introduction of modern networking capabilities such as broadband CATV equipment, Power-over-Ethernet, and high capacity LAN cabling.

Beyond his professional achievements, Mr. Johnson has remained engaged in his community, particularly through youth sports coaching, including soccer and ice hockey. He also contributes to charities through annual donations, reflecting his commitment to give back to the community. To achieve balance, he spends time with his four children and grandchildren, often participating in outdoor activities like hiking and e-biking, and he cherishes annual trips to unique New England coastal destinations with his wife. Looking toward the future, Mr. Johnson plans to scale back his work hours to strike the ideal merger between professional and personal obligations.

About Marquis Who's Who®:
Since 1899, when A. N. Marquis printed the First Edition of Who's Who in America®, Marquis Who's Who® has chronicled the lives of the most accomplished individuals and innovators from every significant field of endeavor, including politics, business, medicine, law, education, art, religion and entertainment. Who's Who in America® remains an essential biographical source for thousands of researchers, journalists, librarians and executive search firms around the world. The suite of Marquis® publications can be viewed at the official Marquis Who's Who® website, www.marquiswhoswho.com.

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