Stuart Moulder

Last updated: January 14, 2026

Overview

Stuart Moulder is a veteran video game producer and executive with over 20 years of experience in the games industry, beginning his career at Sierra On-Line where he produced many of the company’s most significant titles.¹ His most historically notable achievement at Sierra was delivering the first CD-ROM title, Mixed-Up Mother Goose, a milestone that helped pioneer optical disc distribution in gaming.² Beyond production, Moulder contributed to Sierra games in creative capacities including voice acting, lending his voice to Space Quest IV: Roger Wilco and the Time Rippers.³

After Sierra, Moulder continued his career at Microsoft and later Gazillion Entertainment before being named CEO of Her Interactive in May 2011.⁴ Under his leadership, the Nancy Drew game developer transitioned from physical to digital distribution and achieved their largest sales month ever.⁵ His career arc from Sierra producer to game company CEO reflects the maturation of the video game industry from niche hobby to mainstream entertainment business.

Career

Sierra Years

Moulder began his game industry career at Sierra On-Line, where he quickly established himself as a capable producer on some of the company’s most beloved titles.¹ His work on Mixed-Up Mother Goose proved particularly significant, as this children’s game became Sierra’s first CD-ROM release—a technological milestone that anticipated the industry’s shift from floppy disks to optical media.²

At Sierra, Moulder’s production credits spanned multiple franchises including King’s Quest, Leisure Suit Larry, Space Quest, and the Dr. Brain educational series.⁶ His involvement with Castle of Dr. Brain (1991) and The Island of Dr. Brain (1992) demonstrated his ability to manage educational titles alongside entertainment products. The breadth of his credits reflects Sierra’s collaborative studio environment, where producers worked across multiple teams and genres.

Moulder also contributed creatively to Sierra productions. He provided voice work for Space Quest IV: Roger Wilco and the Time Rippers, joining other Sierra staff members who lent their voices to the comedy adventure series.³

Microsoft and Gazillion

Following his time at Sierra, Moulder held responsibilities at Microsoft, applying his production experience to one of the largest technology companies in the world.⁴ He later worked at Gazillion Entertainment, continuing to build his expertise in game development and publishing operations. These positions expanded his understanding of the business side of gaming beyond creative production.

Her Interactive

On May 16, 2011, Moulder joined Her Interactive as CEO, tasked with corporate strategy and day-to-day operations for the Nancy Drew game developer.⁷ The company had established itself as a leading creator of games targeting female audiences, and Moulder brought his extensive production background to guide its evolution.

Under his leadership, Her Interactive successfully transitioned from physical to digital distribution, a significant operational transformation that reflected broader industry trends.⁵ The company achieved record sales during his tenure, demonstrating effective management of the transition. Moulder served as CEO until being replaced by Penny Milliken, who had served on the Board of Directors since 2003.⁸

Later Career

After Her Interactive, Moulder continued his executive career, later becoming CEO of Boom Learning, an educational technology company.⁵ This role extended his trajectory from game production to company leadership, applying lessons learned across decades of industry experience to new challenges in educational gaming.

Notable Works

Mixed-Up Mother Goose (CD-ROM) (1991)

Mixed-Up Mother Goose became Sierra’s first CD-ROM release under Moulder’s production, establishing a milestone in the company’s technological evolution.² The transition to optical media allowed for enhanced audio and improved visuals while anticipating the multimedia revolution that would transform gaming in subsequent years.

Castle of Dr. Brain (1991)

Castle of Dr. Brain showcased Moulder’s ability to produce educational content that maintained Sierra’s quality standards.⁶ The puzzle adventure game, designed by Corey Cole, challenged players with math, logic, and programming puzzles while advancing through Dr. Brain’s mansion.

Space Quest IV: Roger Wilco and the Time Rippers (1991)

Space Quest IV featured Moulder in a voice acting capacity, alongside his production contributions to the Sierra catalog.³ The game’s time-traveling narrative and self-referential humor made it one of the series’ most beloved entries.

The Island of Dr. Brain (1992)

The Island of Dr. Brain continued the educational puzzle series that Moulder helped shepherd at Sierra.⁹ The sequel expanded upon the original’s formula with new environments and challenges.

Design Philosophy

Moulder’s career reflects an understanding that successful game production requires both creative vision and operational excellence. His progression from producer to CEO demonstrates the importance of business acumen alongside creative skills in the maturing game industry. The transition to digital distribution he oversaw at Her Interactive exemplified his ability to adapt to technological change—a skill first developed during Sierra’s pioneering CD-ROM work.

Legacy

Stuart Moulder’s contribution to Sierra On-Line’s first CD-ROM release marked a significant moment in gaming history, as the industry began its shift from magnetic to optical media.² His production credits across Sierra’s flagship franchises helped maintain the company’s quality during its golden age. The executive career that followed—at Microsoft, Gazillion, Her Interactive, and Boom Learning—demonstrated how Sierra alumni applied their experience to shape the broader game industry.

His work at Her Interactive proved particularly significant for maintaining diversity in gaming audiences, as the Nancy Drew series continued to demonstrate commercial viability for games targeting female players.⁷ The successful digital transition he led ensured the franchise’s survival into the streaming era.

Games

Year	Game	Role
1990	Mixed-Up Mother Goose (SCI)	Producer
1991	Space Quest I VGA	Producer
1991	Space Quest IV: Roger Wilco and the Time Rippers	Voice Actor
1991	Mixed-Up Fairy Tales	Producer
1991	Castle of Dr. Brain	Producer
1992	King’s Quest VI: Heir Today, Gone Tomorrow	Production
1992	The Island of Dr. Brain	Producer
1993	Leisure Suit Larry 6: Shape Up or Slip Out!	Producer
1999	Close Combat III: The Russian Front	Product Unit Manager, Historical Text

References

Footnotes

1. MobyGames - Stuart Moulder — Career profile and 63+ credits ↩ ↩²

2. MobyGames - Stuart Moulder Biography — First CD-ROM title achievement ↩ ↩² ↩³ ↩⁴

3. IMDB - Stuart Moulder — Voice acting credits including Space Quest IV ↩ ↩² ↩³

4. Gamezebo - CEO Spotlight: Stuart Moulder — Career history at Sierra, Microsoft, Gazillion ↩ ↩²

5. PRWeb - Boom Learning CEO Announcement — Her Interactive achievements and later career ↩ ↩² ↩³

6. MobyGames - Castle of Dr. Brain Credits — Production credit ↩ ↩²

7. Her Interactive - Stuart Moulder Announcement — CEO appointment May 16, 2011 ↩ ↩²

8. Her Interactive - Leadership Change — CEO transition to Penny Milliken ↩

9. MobyGames - The Island of Dr. Brain Credits — Production credit ↩