Seth Stoppelmoor, a Quiet Cybersecurity Steward with Midwestern Roots

Basic Information

Origins and Early Life

Seth Stoppelmoor’s narrative begins in the Northern Plains’ vast sky. He was born in April 1969 in Huron, South Dakota, the youngest child in a hardworking family. His father, Marion Wayne Stoppelmoor, was a railroad engineer, which often ruled the family with whistles and timetables. His mother, Dolores Mae Katz Stoppelmoor, was creative and versatile, working as a waitress, seamstress, wallpaperer, and upholstery, all typical of Midwestern houses.

Household life was funny and busy. Dolores loved wordplay and games and encouraged her children to think big while being quiet. Stoppelmoor stressed craftsmanship, care, and grounded living. Seth grew up in this environment in the 1970s and 1980s, acquiring ideals that would later help him in technology and cybersecurity.

Family Ties and Relationships

Family is crucial to Seth’s story. He is the younger brother of Charlie’s Angels actor and singer Cheryl Ladd. He has siblings Mary Ann and Brian, each with families. Seth married Kathi and raised Barrett and Bennett in Texas. He has several branches in his extended family, from his mother’s Katz line to his paternal grandparents, Otto Aeilt Stoppelmoor and Irene Leona Day.

These links are more than tree names. They weave Midwestern and American tales of railroad shifts, small-town schools, work migrations, and card, music, and lively talk. Although his public image is low, obituaries, family comments, and generational commemorations reflect the family’s shared events.

Career in IT and Critical Infrastructure Security

Seth works in IT and cybersecurity, specializing in critical infrastructure protection. During the 2000s and 2010s, he supported technological operations and initiatives at the Association for Financial Professionals after working in network engineering. This term improved his systems, networks, and enterprise support skills.

Career defining moment came in energy. Seth became Director of Cyber Security and Senior Manager for Critical Infrastructure Protection at Pedernales Electric Cooperative in Texas. This level of work requires knowledge of NERC CIP requirements, incident response, risk management, and security leadership behaviour. Electric utilities are harsh on weak controls. He must defend the grid, maintain compliance, construct resilient systems, and promote a security culture where everyone is responsible.

Certifications and Professional Development

Professional certifications punctuate Seth’s trajectory. They read like milestones on a long highway of learning.

These qualifications, combined with University of the Pacific studies, demonstrate formal education and continuous competence. This combination matters in fast-moving security. It aids decision-making under pressure and lends legitimacy to policy, tools, and teams.

Timeline

• 1969: Born in April, likely in Huron, South Dakota.
• 1970s to 1980s: Childhood and adolescence in South Dakota, the youngest of the siblings.
• 1990s: Early IT roles begin to stack up, including network engineering work.
• 2001: His father, Marion Wayne Stoppelmoor, passes away at 72.
• 2000s to 2010s: Expands responsibilities at the Association for Financial Professionals in technology operations and projects.
• 2013: Recognized in professional contexts tied to AFP activities.
• 2017 to 2018: Occasional music performances and informal jams noted by colleagues and friends.
• 2018: His mother, Dolores, passes away at 85.
• 2020s: Serves as Director of Cyber Security and CIP senior manager at Pedernales Electric Cooperative in Texas.
• 2023 to 2025: Limited public mentions focused on professional recruiting and community engagement.

Hobbies and Personal Interests

A musician’s ear sits behind security dashboards and policy books. Seth covers Ziggy Stardust and The Grand Tour on guitar. Porch jams and conference performances, when a simple melody pulls strangers into a little audience, are described by friends. He sees music as more about fellowship than fame, reminding him that even technical vocations may have soul.

A Quiet Public Footprint

Seth has a minimal presence online, unlike many techies. He occasionally posts job postings or congratulates colleagues, but he doesn’t seek viral fame. Financial information, hot takes, and headline-grabbing controversies are missing. The digital trace is primarily useful, like tidy code in a well-managed repo: discrete, intentional, and quiet.

Family Roster at a Glance

Work Philosophy and Impact

Utility cybersecurity is measured in seconds and compliance rows, but the stakes are human. After years in operations and audit-heavy workplaces, Seth’s leadership looks sensible. Make guardrails people will use. Record what matters. Try your plans. Teach team response until muscle memory. Stewardship like this keeps communities powered and safe but rarely makes news.

The Broader Context: From Rails to Grids

Family arc is poetically symmetrical. A father led trains safely. A son helps electrons move through another network. Rails and grids need forethought, trust, and reliability. So, the Stoppelmoor thread runs straight, a generational obligation.

FAQ

Who is Seth Stoppelmoor?

He is a Texas-based cybersecurity professional with roots in South Dakota and a career focused on protecting critical infrastructure and enterprise systems.

Is he related to Cheryl Ladd?

Yes, he is Cheryl Ladd’s younger brother.

What does he do professionally?

He has served in leadership roles in cybersecurity and Critical Infrastructure Protection, including at an electric utility.

Where does he live?

He resides in Texas, in the San Antonio area.

How old is he?

He was born in April 1969, making him approximately 56 to 57 in early 2026.

Is he active on social media?

He has a light public footprint, with occasional professional posts and community mentions.

Does he have children?

Yes, he and his wife Kathi have two sons, Barrett and Bennett.

What certifications does he hold?

He holds CISSP, CCNA, and MCSE, signaling depth in security, networking, and systems.

What is his educational background?

He studied at the University of the Pacific.

Is there any public controversy linked to him?

No, there are no notable controversies or headline-making incidents associated with him.