Sophia Seidner The last time the agent had an active listing on Duotrope, the agent was affiliated with Jill Grinberg Literary Management (see other agents at this agency). Permanently Closed: This agent is no longer accepting queries (June 2022). We provide the following information as an archive. About Sophia Seidner oversees rights, contracts and business-related matters for the agency, and handles the day-to-day sales of audio and other domestic subsidiary rights. She joined JGLM full-time in September of 2016. In addition to her extensive experience with publishing-related contracts, Sophia spent many years working in subsidiary and international rights starting at Callaway Editions, after which she joined International Management Group (IMG). Following this, she held various positions at John Wiley & Sons, Judith Ehrlich Literary Management and Queen Literary Agency. Sophia also represents a select list of her own clients. Outside the office, Sophia can be found somewhere instigating a debate, obsessing about politics, and listening to countless hours of audiobooks on her runs in Central Park. This agent may not respond to all queries. After waiting a reasonable amount of time, assume your submission will not be accepted. Country United States Collapse section Fiction Closed For fiction she looks for literary and upmarket adult fiction including mysteries and thrillers with compelling storylines and multifaceted characters.Audience:Open to a broad Audience, including: Adults.Genres: General Open to all/most Subgenres Mystery/Crime Open to all/most Subgenres Suspense/Thriller Open to all/most SubgenresLengths: NovelStyles:Open to all/most Styles, including: Literary, Mainstream.Topics: Open to all/most Topics.Submissions:Method: Electronic submissions. Simultaneous submissions: Simultaneous submissions are allowed. Collapse section Nonfiction Closed Sophia is especially interested in nonfiction covering politics, law, true crime, current events, business self-help and the sciences. She is drawn to nonfiction that challenges conventional paradigms, educates but entertains, and unexpectedly changes one’s perspective.Audience:Open to a broad Audience, including: Adults.Lengths: BookStyles:Open to all/most Styles, including: Mainstream.Topics: Open to all/most Topics including... Business/Finance. Law/Juridical Science. Politics/Political Science. Science. Society/Culture: Crime, Current events.Submissions:Method: Electronic submissions. Simultaneous submissions: Simultaneous submissions are allowed. Always check guidelines for details and restrictions. If you aren't familiar with these terms, see our glossary. Go to agent's webpage Report: Correction/Update Sophia Seidner Submission Statistics The statistics in this section are compiled from submission reports sent to us through our submission tracker. They are not provided by the agency or by Duotrope's admins. Information in this section is updated a few times per day. Learn more about the statistics. This listing is inactive and does not have any submission reports for the past 12 months. Your Submissions This section is available to subscribers only. Join today! Other Agents at this AgencyKatelyn DetweilerSam FarkasJill Grinberg Before SubmittingWe cannot guarantee that the information on this page is correct. We do our best to keep up, but it isn't always possible. Duotrope listings do not imply endorsement or recommendation of the agent or agency being listed. Before submitting, you should use your own judgment to determine whether the agent/agency meets your standards.Always read the full guidelines provided by the agency/agent.Unless the agency's guidelines state otherwise, always use industry standard manuscript formatting.For agency submissions, it is standard to submit a query letter and sample instead of the full manuscript. Do this unless otherwise instructed.Be professional, patient, and persistent. DatesLast Updated: 22 May 2026 Cookie Consent: This site uses secure first-party cookies for essential, preference-setting, and statistical purposes. We do not use any marketing, advertising, or third-party cookies. Read our full cookie policy. Accept All Cookies Allow Essential Cookies Only