Investor · Minneapolis, MN

Mark Briesacher

Open Mark in the network graph →

Filings

13

SEC Form D

Connections

72

co-filers

Capital

$20.2M

across filings

Active

Jul 2022

to Nov 2025

Most-connected co-filers (72)

Amy Schulman · Waltham, MA8 shared Sara Taylor · Minneapolis, MN7 shared Jeff Kearl · San Clemente, CA5 shared Chad G. Packard · Salt Lake City, UT5 shared Hannah T. Dunn · San Francisco, CA5 shared Cameron T. Hillyer · San Francisco, CA5 shared Matt G. Mosman · Salt Lake City, UT5 shared Ben G. Lambert · Salt Lake City, UT5 shared Steve G. Glover · Salt Lake City, UT5 shared Jillian Jaccard · Manhattan Beach, CA5 shared Chris G. Cooper · Salt Lake City, UT5 shared Conor Neu · Manhattan Beach, CA5 shared Jeff G. Kearl · Salt Lake City, UT5 shared Greg Johnson · Vancouver, British Columbia, Canada5 shared Blake G. Modersitzki · Salt Lake City, UT5 shared Pelion Venture Partners Viii, L.L.C · Salt Lake City, UT4 shared Pelion Venture Partners Viii, L.L.C · Salt Lake City, UT4 shared Pelion Venture Partners Viii, L.L.C · Salt Lake City, UT4 shared Albert Zimmerli · Minneapolis, MN4 shared Samuel Schwartz · Madison, WI4 shared Rushika J. Fernandopulle · BOSTON, MA3 shared Ken Ehlert · Minneapolis, MN3 shared Mike Christy · Minneapolis, MN3 shared Beth Birnbaum · New York, NY2 shared

Recent filings (13)

Sequelae, Inc.Nov 2025 · 25 co-filers$1.5M Sequelae, Inc.Nov 2025 · 25 co-filers$1.5M Pelion Ventures VIII-C, L.P.Jan 2025 · 23 co-filers$12.9M Pelion Ventures VIII Financial Institutions Fund, L.P.Jan 2025 · 23 co-filers$91.2M Pelion Ventures VIII - Entrepreneurs Fund, L.P.Jan 2025 · 23 co-filers$23.9M Pelion Ventures VIII, L.P.Jan 2025 · 23 co-filers$247.0M Pelion Ventures VIII-C, L.P.May 2024 · 23 co-filers$12.7M Sequelae, Inc.May 2024 · 29 co-filers$20.0M Sequelae, Inc.May 2024 · 29 co-filers$20.0M Sequelae, Inc.Apr 2024 · 19 co-filers$60.0M Sequelae, Inc.Apr 2024 · 19 co-filers$60.0M RTS Holding, Inc.Feb 2023 · 25 co-filers$20.0M RTS Holding, Inc.Jul 2022 · 25 co-filers$60.0M PC Feeder VII L.P.Jul 2022 · 8 co-filers Patron Capital, VII L.P.Jul 2022 · 8 co-filers Empiric Health, Inc.Apr 2018 · 7 co-filers Empiric Health, Inc.Apr 2018 · 7 co-filers

Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Mark in the interactive graph →